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Lane closings tonight on I-85
Published 12:00 am Tuesday, March 5, 2013
The N.C. Department of Transportation will close lanes on I-85 near Salisbury this week to replace two overhead dynamic message signs.
Tonight, crews will move to I-85 South. At 9 p.m., they will close the two right lanes of the interstate one mile south of Julian Road (Exit 74). At 11 p.m., crews will close an additional lane, leaving the three right lanes closed. They will reopen at 5 a.m.
NCDOT encourages motorists to go slow, pay attention to construction-related signs and allow plenty of time to reach their destinations safely.


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Dolmades (Stuffed Grape Leaves)
Dolmades are grape leaves that are stuffed with various ingredients. I had never eaten grape leaves before and the idea of stuffing them with a tasty filling sounded really good. I have been wanting to try making them ever since I saw Peter's dolmades post. I recently came across a jar of grape leaves and the dolmades quickly made it to my meal plan.
I had a bit of trouble getting the grape leaves out of the jar as they were packed in so tightly but after that they were fairly easy to work with. I covered the grape leaves in boiling water to make sure that they were tender. (You could also boil them briefly.) I also rinsed them a few times to remove any salt from the packing liquid. The grape leaves that I got had their stems removed so that was one less step that I had to do.
Overall the dolmades were pretty easy to make though it took a bit of time to stuff all of them. They turned out pretty well. One of the reasons that I really enjoy Greek cuisine is because it commonly includes lots of mint and dill which are two of my favorite herbs. With the herbs, feta and avgolemono sauce the dolmades were really tasty! The grape leaves themselves were nice and I look forward to using them again.
1 jar grape leaves
1 teaspoon olive oil
1 onion (chopped)
2 cloves garlic (chopped)
1 pound lean ground beef (or lamb)
1/2 cup Arborio rice
1/4 cup tomato puree
1/2 cup feta (crumbled)
1 lemon (zest)
1 bunch of green onions (sliced)
1/4 cup dill (chopped)
1/4 cup mint (chopped)
1 teaspoon salt
1 teaspoon black pepper
* chicken stock
2 eggs
1 lemon (juice)
1. Separate the grape leaves and place them in a large bowl.
2. Cover the grape leaves in boiling water and let soak for 20 minutes.
3. Drain the water and rinse the leaves a few times.
4. Heat the oil in a pan.
5. Add the onion and saute until tender, about 5-7 minutes.
6. Add the garlic and saute until fragrant, about 1 minute.
7. Mix the onions, garlic, ground beef, rice, tomato puree, feta, lemon zest, green onions, dill, mint salt and pepper in a large bowl.
8. Place a grape leaf on a flat surface with the vein side up.
9. Place a tablespoon of filling in the middle of the leaf and fold the sides over the filling and roll the leaf up. (See Peter's post for some good step by step photos showing how to fold the grape leaves.) Repeat until all of the filling is used up.
10. Place stuffed grape leaves into a baking dish in layers and just cover with chicken stock.
11. Bake in a 375F oven for about 1 hour.
12. Whisk the eggs in bowl over a small pan of simmering water until frothy, about 3 minutes.
13. Slowly pour in the lemon juice while whisking.
14. Add some of the liquid from the baking dish and continue whisking until it thickens.
15. Mix most of the avgolemeno sauce into the dish with the dolmades reserving some for garnish.
16. Serve the dolmades garnished with the reserved avgolemeno sauce and some chopped dill and or mint.
Similar Recipes:
Lahanodolmades (Stuffed Cabbage)
Kolokithakia Gemista (Stuffed Courgettes)
Lamb Exohiko (Lamb Stuffed Phyllo Parcels)
Take a look at the Weekend Herb Blogging roundup at The Houndstooth Gourmet.


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For the third year in a row, the Phillies and ARAMARK partnered with the Pennsylvania Horticultural Society on its effort to Plant One Million.
Plant One Million is an ambitious multi-state tree-planting campaign, encompassing 13 counties in southeastern Pennsylvania and parts of New Jersey and Delaware. For each home run hit by a Phillies player this season, a tree will be planted as part of the program. 125 trees were planted in the fall.
Watch Video | Utley Video
The goal is to increase the "tree canopy cover" - the area of land shaded by trees - in the tri-state area to 30 percent, the greatest coverage in more than a century, by planting one million trees by 2020. Learn more at plantonemillion.org
Trees can increase property values and retail sales, reduce energy costs, flooding, and crime rates, improve air and water quality, and enhance the overall health and quality of life for local residents.


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(Myxomatous degenerative AV valvular disease, Endocardiosis)
This cardiac disease is characterized by nodular thickening of the cardiac valve leaflets or cusps, most severely at their tips. Myxomatous degeneration commonly affects the mitral and tricuspid valves in dogs; prolapse or hooding (protrusion of the body of a valve leaflet into an atrium) of the leaflets also occurs. Chordae tendineae are also affected by the degenerative process, making them prone to rupture. The exact etiology is unknown, but in Cavalier King Charles Spaniels and Dachshunds it is an inherited trait. Myxomatous degenerative valve disease is the most common cardiac disease in dogs and accounts for ∼75% of cardiovascular disease in this species. Approximately 60% of affected dogs have only the mitral valve affected, 30% have lesions in both the tricuspid and mitral valves, and 10% have only tricuspid valve disease. In dogs, the disease is age- and breed-related, with older, small-breed dogs demonstrating a much higher incidence. Horses and cats are also affected by this disease (most commonly affecting the mitral valve leaflets); however, it is uncommon in these species. In horses, a degenerative valve disease can also affect the aortic valve and consists of valvular nodules or fibrous bands at the free borders of the valve. This condition is most common in older horses. Clinical signs (eg, heart failure) may not be seen because significant aortic regurgitation is uncommon.
Insufficiency of an atrioventricular (AV) valve results in turbulent, systolic (ie, during ventricular contraction) flow through the affected valve. This regurgitation of blood into an atrium results in an increase in volume within the atrium and thus to an increase in atrial chamber size. When regurgitation is severe, atrial pressure may also increase. If the mitral valve is affected, the elevated left atrial pressure results in elevated pulmonary capillary pressures and, if the elevation is high enough (ie, >20 mm Hg), cardiogenic pulmonary edema (ie, left heart failure). If the tricuspid valve is affected, severe regurgitation can result in an elevated systemic venous pressure and signs of right heart failure (most commonly ascites in dogs). The constant, high-velocity, regurgitant jet of blood through the affected mitral valve physically damages the endocardium of the left atrium, resulting grossly in jet lesions. In cases with severe regurgitation, the chronic increase in left atrial size and pressure can also result in left atrial rupture and acute cardiac tamponade, often resulting in death.
Pathophysiologically, the body compensates for valvular regurgitation primarily by renal sodium and water retention, causing an increase in blood volume and in venous return to the heart. This results in an enlargement in ventricular chamber size. Multiple mechanisms exist for sodium and water retention, but the renin-angiotensin-aldosterone system (RAAS, see Compensatory Mechanisms) is one of the most active and best studied of these mechanisms. Renin release by the juxtaglomerular apparatus in the kidneys cleaves angiotensinogen into angiotensin I, and angiotensin-converting enzyme then cleaves angiotensin I into angiotensin II. One of the main effects of angiotensin II is to stimulate aldosterone release by the adrenal glands. Aldosterone stimulates the cells in the distal renal tubules to bring sodium back into the vascular space, and water follows the sodium. The increase in blood volume and venous return to the heart places chronic stretch on cardiac myocytes, resulting in sarcomere replication within the myocytes and growth of longer myocytes. This allows the affected ventricle to develop a larger chamber (ie, eccentric or volume overload hypertrophy). This is the primary compensatory mechanism for valvular regurgitation. It is highly efficient and allows the heart to compensate not only for a valvular leak for years but also for an extreme amount of regurgitation. For example, a small dog can completely compensate for regurgitation in which up to 75% of the blood flow from the left ventricle goes into the left atrium, while only 25% goes forward into the aorta.
Activation of the RAAS and other compensatory mechanisms are commonly seen as dysfunctional and elevations of various neurohormones as detrimental, because overt elevations are often seen in dogs that are in heart failure when compensatory mechanisms are overwhelmed. However, these mechanisms are only detrimental for a few months at the end stage of the disease.
In dogs there are no clinical signs in the early and middle stages of the disease, although a systolic murmur (grade I–V/VI) is heard with maximal intensity at the left apex. The heart murmur intensity does not always correlate with disease severity. When the disease becomes severe and overwhelming heart failure becomes evident, it is most commonly evidenced by pulmonary edema that produces increased respiratory rate, respiratory effort, and cough. Syncope may also occur. Sudden death is rare but may occur secondary to left atrial rupture. Physical examination findings in animals that have developed left heart failure may include respiratory crackles and wheezes; however, these are more common and more obvious in dogs with chronic bronchitis, and many dogs with pulmonary edema have no demonstrable abnormal pulmonary sounds. If tricuspid valve degeneration is significant, signs of right heart failure may be noted (eg, ascites, jugular pulses).
A CBC, serum chemistry profile, and urinalysis are usually within normal limits. Left atrial enlargement is the characteristic finding on thoracic radiographs of an animal with myxomatous degeneration of the mitral valve, and the size of the left atrium correlates directly with the severity of the regurgitation in small dogs. Other changes include enlargement of the left ventricle and pulmonary veins. As left heart failure develops, increased interstitial density to the pulmonary parenchyma occurs, and as severity increases, an alveolar pattern with air bronchograms (ie, severe pulmonary edema) appears.
Echocardiography demonstrates thickened, enlarged, and irregular valvular leaflets of normal echogenicity. Chordae tendineae may be ruptured, causing the AV leaflets to flail (ie, leaflet tips to protrude) into the atrium during ventricular contraction. Left ventricular chamber enlargement (ie, eccentric or volume overload hypertrophy) also occurs in direct correlation to disease severity. In small dogs, left ventricular myocardial contractility or function is often normal as evidenced by a normal end-systolic diameter or volume. The increase in end-diastolic diameter coupled with the normal end-systolic diameter results in the left ventricular fractional shortening (ie, the amount of contraction [not contractility]) being increased. Myocardial contractility is decreased in some small dogs and many large dogs at the onset of heart failure and may become decreased in small dogs during the time they are being treated for heart failure.
Electrocardiographically, animals with mild to moderate degenerative valve disease have a normal sinus arrhythmia or normal sinus rhythm. When CHF develops, the increase in sympathetic tone often results in an increase in heart rate (ie, sinus tachycardia). Left atrial enlargement promotes the development of atrial arrhythmias such as atrial premature complexes and atrial fibrillation. Ventricular tachyarrhythmias are uncommon. There may be evidence of left atrial enlargement (P-mitrale or widened P waves) and left ventricular enlargement (tall and widened R waves) on an ECG, but these changes are unreliable indicators of chamber enlargement.
Recent studies in dogs with degenerative mitral valve disease that are not yet in heart failure have failed to convincingly demonstrate a reduction in time to onset of CHF with use of ACE inhibitors. Thus, treatment in small-breed dogs should be reserved for dogs with clinical signs of heart failure, ie, those demonstrating cardiogenic pulmonary edema on thoracic radiographs and resting tachypnea in the absence of other severe pulmonary disease. Treatment of CHF includes the administration of a diuretic (almost always furosemide) and an ACE inhibitor as adjunctive therapy to the diuretic. Cardiogenic pulmonary edema should not be treated with an ACE inhibitor alone. Pimobendan (0.25–0.3 mg/kg, bid) is indicated in dogs that are refractory to the administration of a maximal dose of furosemide (4 mg/kg, tid) and appears to be indicated even at the onset of heart failure. It is not indicated in a dog that is not yet in heart failure. Spironolactone might have chronic, longterm benefits in dogs with heart failure due to myxomatous mitral valve degeneration but should not be relied on to produce clinically relevant diuresis. Amlodipine and hydralazine decrease the amount of regurgitation and improve perfusion but are most commonly used in dogs refractory to conventional therapy. A thiazide diuretic combined with furosemide is another effective means of treating dogs with refractory heart failure.
Abnormal arrhythmias such as atrial fibrillation or other severe and sustained supraventricular arrhythmias, if present, should either be resolved or the rate controlled with digitalis glycosides and diltiazem or a β-blocker (eg, atenolol) to prevent tachycardia-induced myocardial failure. Optimal therapy should be planned for each stage of disease. In acute and severe CHF, oxygen and aggressive parenteral furosemide administration are warranted. Nitroprusside can also be beneficial.
Some affected dogs can live for >1 yr with appropriate therapy. However, survival time is highly variable and no firm estimates should be provided.
These benign valvular lesions are present in up to 75% of calves <3 wk of age. They are most commonly located on the AV valves.
Cardiomyopathy is defined as any disease involving primarily and predominantly the heart muscle. Most of the cardiomyopathies of animals are idiopathic diseases that are not the result of any systemic or other primary cardiac disease. In animals (primarily dogs and cats), they have been classified as dilated cardiomyopathy, hypertrophic cardiomyopathy, arrhythmogenic right ventricular cardiomyopathy, and restrictive or unclassified cardiomyopathy. If a disease process has been identified as the cause of myocardial dysfunction, these are more correctly identified as secondary myocardial diseases or a descriptive term precedes the term cardiomyopathy (eg, taurine-responsive dilated cardiomyopathy).
This acquired disease is characterized by the progressive loss of cardiac contractility of unknown cause, although this definition is in transition in human medicine in which genetic mutations are being identified that cause DCM. Several forms of secondary DCM exist (eg, taurine deficiency in cats; doxorubicin- or parvovirus-induced in dogs). DCM has a protracted subclinical phase in dogs, with clinical signs evident for a relatively short time. During the subclinical phase, compensatory mechanisms, primarily volume overload or eccentric hypertrophy, maintain normal hemodynamics. As cardiac contractile function is progressively lost, cardiac output, and so renal blood flow, decreases and then is normalized again as renal sodium and water retention increase blood volume and venous return and the affected ventricle is stimulated to enlarge. The increased activation of the sympathetic nervous system and the RAAS, after years of initial benefit, cause deleterious effects during the late phases of the disease (see Compensatory Mechanisms). Excessive stimulation of the myocardium by the sympathetic nervous system may stimulate ventricular arrhythmias and myocyte death, while excessive activation of the RAAS causes excessive vasoconstriction and retention of sodium and water.
DCM is one of the most prevalent acquired heart diseases of dogs, although it is far surpassed by degenerative valve disease and, in some parts of the world, heartworm disease as the major cardiovascular cause of morbidity and mortality. It most commonly affects large-breed dogs and far less commonly small-breed dogs (with a few exceptions such as American Cocker Spaniels, Springer Spaniels, and English Cocker Spaniels). Doberman Pinschers, Boxers, Great Danes, German Shepherds, Irish Wolfhounds, Scottish Deerhounds, Newfoundlands, Saint Bernards, and Labrador Retrievers, among other large-breed dogs, are particularly at risk. Portuguese Water Dogs get a juvenile form of the disease. The disease is typically seen in middle-aged to older dogs; males are either affected more frequently or more severely than females. The incidence in cats has decreased dramatically since the discovery in 1987 that taurine deficiency was responsible for most cases (taurine-responsive cardiomyopathy). Since then, taurine has been added to all commercial cat foods. Most cases today are not taurine responsive and reflect primary (or idiopathic) disease, although the disease is seen occasionally in cats fed noncommercial diets (eg, vegetarian, baby food, home-cooked food).
Doberman Pinschers typically develop concurrent and progressive ventricular arrhythmias along with progressive systolic dysfunction. Syncope and sudden death occur in up to 20% of Doberman Pinschers, and signs of left heart failure eventually develop. Most Doberman Pinschers demonstrate evidence of myocardial failure at the time syncopal episodes are noted. In other breeds, such as Great Danes and Newfoundlands, sudden death and collapse are far less likely. Signs of left heart failure, including tachypnea and dyspnea due to pulmonary edema, weakness, and exercise intolerance often predominate, but signs of right heart failure (ascites) are also often present. Pleural effusion may be present, most commonly in dogs with both left and right heart failure. Ascites was noted in 35% of Newfoundlands with dilated cardiomyopathy in one study. Cats with dilated cardiomyopathy typically present with severe respiratory signs due to pulmonary edema or pleural effusion and clinical signs are often rapidly progressive and refractory to therapy.
A soft systolic heart murmur, best heard at the left cardiac apex, is usually present. A third heart sound or gallop heart sound is also frequently present. This finding is subtle in dogs but often obvious in cats. Femoral pulses may be weak, and an arrhythmia with associated pulse deficits may be noted. The arrhythmia is most commonly a result of ventricular ectopy in Doberman Pinschers, and of atrial fibrillation in giant-breed dogs. Ascites, dyspnea, or cough may also be noted depending on the type of heart failure that develops.
Blood work may demonstrate prerenal azotemia (elevation of BUN, creatinine). Thoracic radiographs typically demonstrate moderate to marked cardiomegaly. If left heart failure is present, pulmonary edema is evident, and the left atrium is moderately to markedly enlarged. Echocardiography is the best test to definitively diagnose DCM. In dogs with severe DCM that are in heart failure, there is a dramatic decrease in left ventricular fractional shortening caused by an increase in left ventricular end-systolic diameter. Cardiac chambers, especially the left atrium and left ventricle, are dilated. Mitral insufficiency typically develops as progressive left ventricular chamber dilation results in separation of the valve leaflets. Abnormal ECG findings may include ventricular premature complexes and ventricular tachycardia (especially in Doberman Pinschers), and atrial fibrillation (especially giant breeds). There may be electrocardiographic evidence of left atrial enlargement (P mitrale or widened P waves) and left ventricular enlargement (tall and wide R waves). The occurrence of ventricular premature complexes on a routine ECG in a presumed healthy Doberman Pinscher is highly suggestive of cardiomyopathy.
The objectives of therapy are to control the CHF (eg, with diuretics), improve contractility (eg, with pimobendan), and reduce adverse effects of angiotensin II and other neurohormonal changes (eg, with an ACE inhibitor). Taurine-responsive myocardial failure occurs in some breeds, particularly American Cocker Spaniels, and anecdotally in a few Golden Retrievers, Dalmatians, Welsh Corgis, Tibetan Terriers, and other breeds. In many of these breeds, taurine deficiency can be diagnosed by low plasma or whole blood concentrations. Response to taurine supplementation (which may take 2–4 mo) can be dramatic and may obviate the need for other cardiac medications. Carnitine-responsive cardiomyopathy, although reported, is almost a nonentity. Coenzyme Q10 supplementation is an unproven and, some say, irrational approach to the disease. Administration of fish oil may reduce the severity of cardiac cachexia in patients with dilated cardiomyopathy.
CHF, which may be severe, should be treated as discussed under heart failure (see Heart Failure). As severe pulmonary edema resolves, furosemide can be administered orally, with oxygen continued until clinical signs are controlled. Pimobendan and an ACE inhibitor (eg, enalapril, benazepril) should be started. Antiarrhythmic therapy is frequently indicated, especially for Doberman Pinschers with severe ventricular arrhythmias. Holter monitoring is the ideal method for evaluating both the severity of an arrhythmia and therapeutic efficacy. Mexiletine (5–10 mg/kg, tid) may be useful in patients with ventricular arrhythmias and concurrent heart failure, as negative inotropy is less than with sotalol (1–3 mg/kg, bid). Amiodarone may be a more effective drug than mexiletine for preventing sudden death in Doberman Pinschers, but its use is associated with a relatively high incidence of hepatoxocity in this breed.
The prognosis is grave for cats with dilated cardiomyopathy (not taurine responsive), with a median survival time of 2 wk. Cats that are taurine responsive also have an initial high risk of death. However, cats that can be kept alive long enough for taurine to become effective (2–3 wk) have an excellent prognosis. Dogs that are taurine responsive also have a fair to good prognosis once signs of CHF abate. The prognosis is poor in most Doberman Pinschers: in the past ∼25% died within 2 wk of presenting in heart failure, and 65% died within 8 wk. Pimobendan apparently prolongs survival, sometimes dramatically (months). The prognosis in other breeds is better but remains guarded; 75% die within 6 mo of diagnosis. As expected, dogs with severe heart failure, particularly left heart failure, have a worse prognosis than those with milder signs or signs of right heart failure at presentation.
This type of cardiomyopathy is seen in Boxers and is also known as Boxer cardiomyopathy. It is also rarely seen in cats. ARVC is characterized by a fatty or fibrofatty infiltrate of the right ventricular myocardium. In Boxers, the most common manifestation of the disease is syncope that is caused by a very fast (>400 bpm) nonsustained ventricular tachycardia. It takes 6–8 sec of no blood flow to the brain to result in unconsciousness, so the tachycardia must last for that long for syncope to occur. The diagnosis is based on the number of premature ventricular complexes (PVC) on a Holter monitor (>100 PVC in 24 hr is generally considered diagnostic of ARVC). The QRS complexes of the PVC are usually upright in the leads where the QRS complex is usually upright, meaning they originate from the right ventricle. The heart looks normal on an ECG in most Boxers with ARVC, although some will develop a true DCM and go into heart failure. Boxers that are presented for syncope without DCM are treated with sotalol (1–3 mg/kg, bid) or a combination of mexiletine (5–10 mg/kg, tid) and atenolol (12.5–25 mg/dog, bid). Dogs that are refractory to sotalol may have mexiletine added. In Boxers with ARVC that do not have DCM, the prognosis is often good, and many live for several years on antiarrhythmic therapy. The longterm prognosis for dogs with DCM that are in heart failure is poor. Most live only several months.
In cats, the disease usually manifests as right ventricular and atrial enlargement and right heart failure, along with supraventricular and ventricular tachyarrhythmias. Dyspnea, tachypnea, and nonspecific clinical signs such as anorexia and lethargy are reported in affected cats. Treatment is similar to that of dilated cardiomyopathy. Longterm prognosis is generally poor.
Hypertrophic cardiomyopathy is characterized by primary concentric left ventricular hypertrophy (ie, thick walls) resulting from an inherent myocardial disorder rather than pressure overload (such as caused by aortic stenosis), hormonal stimulation (such as hyperthyroidism or acromegaly), or other noncardiac disease. Papillary muscle enlargement is a consistent feature of the disease in cats. In people, hypertrophic cardiomyopathy is caused by mutations in a number of sarcomeric genes. Mutations in one sarcomeric gene, the cardiac myosin binding C gene, have been identified in Maine Coon and Ragdoll cats. These mutations are thought to result in the production of dysfunctional sarcomeres within myocytes. The myocardium then produces new sarcomeres to help the dysfunctional ones, resulting in hypertrophy that may be mild to severe. Severe hypertrophy is often accompanied by cellular necrosis and resultant replacement fibrosis (myocardial scarring).
Feline hypertrophic cardiomyopathy
Increased fibrosis coupled with severe wall thickening results in a stiffer than normal left ventricle in diastole, which increases diastolic pressure for any given diastolic volume. The increased pressure is transmitted backward into the left atrium in diastole, resulting in left atrial enlargement and, if severe enough, in left heart failure. Left heart failure manifests as pulmonary edema and pleural effusion in cats. Myocardial contractility is normal, but left ventricular end-systolic diameter is usually less than normal and may become zero (end-systolic cavity obliteration) due to the increased wall thickness resulting in a decrease in systolic wall stress (ie, afterload). Severe left atrial enlargement can develop, which causes blood flow to stagnate. This can lead to the formation of a left atrial thrombus and the potential for systemic thromboembolism.
A cranial displacement of the anterior mitral valve leaflet during ventricular systole, a phenomenon termed systolic anterior motion of the mitral valve, is a common finding in cats with hypertrophic cardiomyopathy and is due to marked enlargement of the papillary muscles that drag the mitral valve leaflet into the left ventricular outflow tract in systole. This phenomenon produces two turbulent jets—one of dynamic subaortic stenosis and the other of mitral regurgitation. Systolic anterior motion is the most common cause of a heart murmur in a cat with hypertrophic cardiomyopathy. Gross pathology includes increased cardiac weight (>20 g), increased left ventricular wall thickness, papillary muscle hypertrophy, and often left atrial enlargement.
Hypertrophic cardiomyopathy is the most common primary heart disease diagnosed in cats, but it is rare in dogs. It is familial in many breeds of cats, including Persians, Sphynx, Norwegian Forest Cats, Bengals, Turkish Vans, and American and British Shorthairs. As in Maine Coons and Ragdolls, the mode of inheritance is thought to be autosomal dominant. The disease is seen in cats from 3 mo to 17 yr of age, although most cats are middle aged at the time of presentation. It is not present at birth but develops over time. Penetrance is often <100%. Male and female cats are equally predisposed, but males tend to develop more severe disease at an earlier age. In Maine Coon and Ragdoll cats, cats that are homozygous for the mutation often develop hypertrophic cardiomyopathy earlier (often before 1 yr of age) and often develop a more severe form of the disease.
Many affected cats have no clinical signs, especially those with mild to moderate disease. Cats that develop severe disease may also have no clinical signs but will usually go on to develop left heart failure, systemic thromboembolism, or sudden death. Cats in heart failure may have signs of tachypnea and dyspnea secondary to pulmonary edema or pleural effusion. Cats with systemic thromboembolism most commonly have an acute onset of hindlimb paresis/paralysis coupled with acute pain, pulselessness, and poikilothermia. Cough is uncommon in cats with heart failure.
Physical examination frequently demonstrates abnormal heart sounds, including a soft to prominent systolic cardiac murmur and a gallop heart sound. The murmur is often dynamic, increasing in intensity with excitement. A murmur is not present in at least one-third of cats with hypertrophic cardiomyopathy. Increased respiratory sounds may suggest pulmonary edema, and decreased respiratory sounds may indicate pleural effusion. Pulses may be normal or weak, or absent if distal aortic thromboembolism has developed. Radiographically, there may be pronounced left atrial enlargement and variable left ventricular enlargement. The cardiac silhouette often appears relatively normal even in the presence of moderate left ventricular hypertrophy. Echocardiography allows confirmation of the diagnosis and assessment of additional therapy needed (eg, anticoagulants may be more beneficial in cats with severe left atrial enlargement). Left ventricular wall thickening (generalized or regional), along with papillary muscle hypertrophy are noted. Systolic anterior motion of the mitral valve may be present. ECG abnormalities may include supraventricular premature complexes, ventricular premature complexes, and ventricular tachycardia. With severe atrial enlargement, atrial fibrillation may develop. An electrical axis deviation may be present. However, many cats with hypertrophic cardiomyopathy have a normal ECG. The plasma concentration of NT-proBNP (a cleavage product of the precursor protein B-type natriuretic peptide, used to diagnose heart failure) is increased in cats with severe disease and particularly in those that are in heart failure but not in those with mild to moderate disease (see Cardiac Biomarkers).
Treatment is directed at controlling signs of CHF, improving diastolic function, and reducing the incidence of systemic thromboembolism. Furosemide administration and oxygen are needed when acute CHF is present. For chronic heart failure, furosemide and an ACE inhibitor, eg, enalapril (0.5 mg/kg, PO, sid) are indicated. For cats that are not in heart failure, no drug strategy has been shown to alter the natural history of the disease. Diltiazem (7.5 mg, PO, tid), a calcium channel blocker, may improve diastolic function, but its effects are generally negligible and its use has fallen out of favor. Use of β-blockers such as atenolol (6.25–12.5 mg, PO, sid-bid) may also be considered. People with hypertrophic cardiomyopathy have shown improvement in exercise-induced angina and dyspnea, and exercise intolerance when given β-blockers. Cats rarely exert themselves, so those indications do not apply. However, a β-blocker does reduce systolic anterior motion of the mitral valve and should be considered when this abnormality is severe (pressure gradient across the dynamic subaortic stenosis is >80 mm Hg). ACE inhibitors have no beneficial effect before the onset of heart failure.
Prevention of left atrial thrombus formation and systemic thromboembolism is often a goal, but no drug has yet been shown to be efficacious. Aspirin (80 mg, PO, every third day) is ineffective. Warfarin (0.2–0.5 mg, PO, sid) is probably also ineffective and produces bleeding in some cats. Clopidogrel (18.75 mg/cat, day) is still being studied. Clopidogrel plus aspirin is a common therapeutic strategy in people. A low-molecular-weight heparin such as enoxaparin (1 mg/kg, bid) might be efficacious but is expensive and must be administered parenterally.
Prognosis for cats with hypertrophic cardiomyopathy is highly variable. Many mildly affected cats have a good longterm prognosis. Cats in CHF have a poor prognosis, with a median survival time of 3 mo. However, up to 20% of cats with CHF might survive for a more prolonged period.
A less common form of cardiomyopathy in cats is characterized by a relatively normal-appearing left ventricle with left atrial enlargement. Although it is logical to believe that these cats have diastolic dysfunction, many do not. Those that do have diastolic dysfunction have some form of restrictive cardiomyopathy. However, because that diagnosis cannot be made using standard two-dimensional echocardiography, it is better to term this type of disease unclassified cardiomyopathy unless diastolic dysfunction can be documented, usually by using tissue Doppler imaging echocardiography. Restrictive cardiomyopathy is characterized by a stiff, noncompliant left ventricle, usually due to increased collagen (ie, scar) formation in the left ventricle. The increased stiffness increases diastolic pressure for any given diastolic volume. As in hypertrophic cardiomyopathy, this results in an increase in left atrial size and left heart failure. In some cats that have obvious endomyocardial thickening or partial cavity obliteration, the diagnosis of restrictive cardiomyopathy can be readily made using two-dimensional echocardiography. A left atrial thrombus may be evident. Systolic function is usually preserved. Color flow Doppler echocardiography may demonstrate mitral regurgitation.
Clinical signs of and treatment for heart failure are similar to those for hypertrophic cardiomyopathy (see Hypertrophic Cardiomyopathy); however, prognosis seems to be worse, especially in cats with CHF. The cause of restrictive/unclassified cardiomyopathy is unknown.
Myocarditis is a focal or diffuse inflammation of the myocardium with myocyte degeneration or necrosis causing an adjacent inflammatory infiltrate. There are numerous causes, including several viruses and bacteria. Canine parvovirus (see Canine Parvovirus), encephalomyocarditis virus (see Encephalomyocarditis Virus Infection), and equine infectious anemia virus (see Equine Infectious Anemia) tend to cause myocarditis. Myocardial degeneration occurs in lambs, calves, and foals with white muscle disease and in pigs with mulberry heart disease or hepatosis dietetica. Streptococcus spp are the most common cause of bacterial myocarditis in horses. Salmonella, Clostridium, equine influenza, Borrelia burgdorferi, and strongylosis are other recognized causes. Mineral deficiencies (eg, iron, selenium, copper) can also result in myocardial degeneration. Deficiencies of vitamin E or selenium may cause myocardial necrosis. Cardiac toxins include ionophore antibiotics such as monensin and salinomycin, cantharidin (blister beetle toxicosis, see Cantharidin Poisoning), Cryptostegia grandiflora (rubber vine), and Eupatorium rugosum (white snakeroot). These diseases cause typical signs of CHF. In horses, signs of right heart failure are common and include ascites, venous congestion, and jugular pulsations. A heart murmur of mitral or tricuspid regurgitation is usually audible as well as an irregular rhythm. Atrial fibrillation is common, and ventricular or atrial premature complexes may also be seen. Echocardiography reveals chamber dilation and poor contraction with essentially normal valves. Neutrophilic leukocytosis and hyperfibrinogenemia are common. Cardiac isoenzymes (CK, troponin, and lactate dehydrogenase) are often increased.
Treatment should be aimed at improving cardiac contractility, relieving congestion, and reducing vasoconstriction. Digoxin and dobutamine are used most commonly to improve contractility. Furosemide is indicated to control signs of pulmonary edema. Corticosteroids are often used when cardiac isoenzymes are increased and a viral infection is deemed unlikely.
Trypanosoma cruzi, a protozoan, causes Chagas' disease (see Chagas' Disease). Acutely, ECG abnormalities such as first-, second-, or third-degree AV block; right bundle-branch block; sinus tachycardia; and depressed R wave amplitude are noted. There are usually no echocardiographic abnormalities during the acute phase; however, sudden death is a concern. An asymptomatic latent phase then develops for 27–120 days in dogs, followed by a chronic stage demonstrating systolic dysfunction indistinguishable from dilated cardiomyopathy. Treatment for the chronic phase is as for dilated cardiomyopathy but is typically ineffective at controlling signs of progressive myocardial failure.
Lyme disease (see Lyme Borreliosis) is caused by the spirochete Borrelia burgdorferi; infection with this organism rarely results in myocardial disease. Animals developing myocardial disease secondary to Lyme infection may have ECG abnormalities such as ventricular arrhythmias or conduction disturbances such as first-, second-, or transient third-degree AV block. Myocardial failure similar to dilated cardiomyopathy can also develop. In animals with complete AV block, cardiac pacemaker implantation may be warranted.
In addition to the diseases listed below, histophilosis in cattle (see Histophilosis) can result in myocardial infarcts and abscesses.
A form of cardiomyopathy resulting in destruction of the atrial myocardium (and occasionally affecting the ventricular myocardium) has been reported in dogs, especially English Springer Spaniels. Other affected breeds include Old English Sheepdogs, Shih Tzus, German Shorthaired Pointers, and mixed-breed dogs. The disease has also been reported in some cats with concurrent cardiomyopathy. Initially, atrial myocardial destruction leading to atrial standstill and an AV nodal escape rhythm is noted. Mitral regurgitation that may be severe is often noted at this stage. Eventually, myocardial failure may ensue. Clinical signs are similar to those in animals with dilated cardiomyopathy, with right or left heart failure being noted. Pacemaker implantation may improve heart rate and cardiac output. Other treatment aims to relieve signs of CHF. This treatment typically is ultimately unrewarding, similar to treatment results in other myocardial failure patients.
Doxorubicin is a common chemotherapeutic agent that causes well-recognized cardiotoxicity. Cardiotoxicity tends to be dose dependent, but rare patients show toxicity at far lower dosages than others. Abnormalities include isolated ventricular premature complexes (which develop in 80% of dogs administered 80 mg/m2/day for 2 days or 25 mg/m2/wk for 4–11 wk) and periods of ventricular tachycardia. Myocardial failure may also develop and has been documented in 100% of dogs experimentally administered 25 mg/m2/wk for 20 wk. (Sudden death and heart failure were noted in 65% of dogs after administration of ∼17 wk of therapy.) The cardiotoxic effects are irreversible. Severe cardiotoxicity is rare with current chemotherapeutic protocols.
This disease of unknown etiology is characterized by diffuse thickening of the left atrial, left ventricular, and/or mitral valve endocardium. It is a rare cause of myocardial failure in young dogs and cats. Affected animals are usually <6 mo old and present with clinical signs of left heart failure. Breeds reported include Labrador Retrievers, Great Danes, English Bulldogs, Springer Spaniels, Boxers, Pit Bulls, and Siamese and Burmese cats (in which the disease is believed to be inherited). Echocardiography demonstrates dilation of the left ventricular and atrial chambers, decreased left ventricular fractional shortening due to an increased left ventricular end-systolic diameter, and possibly diffuse endocardial thickening. Clinical signs, treatment, and prognosis are similar to those of dilated cardiomyopathy.
This inherited, X-linked neuromuscular disorder has been reported in dogs, particularly Golden Retrievers. A similar disease called X-linked muscular dystrophy has been reported in Irish Terriers, Samoyeds, and Rottweilers. These diseases may result in myocardial as well as neuromuscular disease. ECG abnormalities include deep and narrow Q waves, a shortened PR interval, sinus arrest, and ventricular tachyarrhythmias. Echocardiography may demonstrate focal hyperechoic lesions affecting primarily the left ventricular and papillary muscle myocardium. This usually develops by 6–7 mo of age, with the lesions decreasing in size over the next 2 yr. The lesions result from calcification and fibrosis. In animals that survive, myocardial failure may develop.
Infection of the endocardium typically involves one of the cardiac valves, although mural endocarditis may occur. Endothelial damage is a predisposing factor for infective endocarditis to develop, although in dogs it is most common for endocarditis to form on a normal valve. When the endothelium is partially eroded and underlying collagen exposed, platelets adhere and produce a microthrombus. Bloodborne bacteria may become enmeshed in this thrombic lattice, resulting in a localized infection that causes a progressive destruction of the valve and results in valvular insufficiency. Vegetative lesions are the most common finding on cardiac valves and can create valvular stenosis along with insufficiency. In dogs, horses, and cats, the aortic and mitral valves are most commonly affected. The tricuspid valve is rarely affected, and pulmonic valve infective endocarditis is exceedingly rare. In contrast, the tricuspid valve is the most commonly affected in cattle. Infective endocarditis is rare in cats, and there are no breed predilections. In dogs, middle-aged, large-breed dogs are predisposed; <10% of dogs diagnosed with infective endocarditis weigh <15 kg. Most affected dogs are >4 yr old, and males are more commonly affected than females. Dogs with subaortic stenosis are at greater risk of developing infective endocarditis.
Infected thrombi released from the infected aortic or mitral valves enter the circulation and can embolize other organs and limbs; therefore, infective endocarditis can produce a wide spectrum of clinical signs, including primary cardiovascular effects or signs related to the nervous system, GI tract, urogenital system, or joints. A chronic, intermittent or continuous fever is usually present. Shifting leg lameness may be reported, and weight loss and lethargy are frequently present. Acute to subacute mitral or aortic valve regurgitation can result in left heart failure (ie, pulmonary edema) and clinical signs of tachypnea, dyspnea, and cough. If the tricuspid valve is affected, ascites and jugular pulsations may be present. Mastitis and decreased milk production can be noted in affected cattle. Hematuria and pyuria may also be noted. A cardiac murmur is present in most cases; the exact type depends on the valve involved. When the aortic valve is affected, a low-intensity diastolic heart murmur is present, with maximal intensity over the left cardiac base. A soft systolic heart murmur caused by increased stroke volume may also be noted. In this instance, the arterial pulse is bounding (ie, increased pulse pressure) due to diastolic run-off and increased stroke volume. Mitral valve endocarditis results in a heart murmur similar to that caused by degenerative valve disease—a low- to high-intensity systolic heart murmur (intensity primarily dependent on the degree of mitral insufficiency) heard best over the left cardiac apex.
Bacteria most often isolated from affected dogs and cats include Streptococcus, Staphylococcus, Klebsiella spp, and Escherichia coli, although a host of other bacterial species may be involved. Bartonella is also a recognized cause of infective endocarditis in dogs. In people, 60–80% of patients with infective endocarditis have a predisposing cardiac lesion that facilitates bacterial attachment. In dogs, however, infection appears to develop commonly in patients with no evidence of valve abnormalities. Streptococcus and Actinobacillus spp are the most common isolates in horses, and Arcanobacterium pyogenes is most commonly cultured from cattle.
A CBC often shows a neutrophilic leukocytosis. Active infection may be associated with the presence of band neutrophils, and chronic infection with a monocytosis (90% of cases in one series). Anemia of chronic disease is frequently present. Serum analysis abnormalities reflect organ involvement secondary to infective emboli and may include increases in liver enzymes, BUN, and creatinine. In animals that develop immune complex glomerulonephritis, significant urinary protein loss and hypoalbuminemia may develop. Blood cultures with sensitivity should be obtained in affected animals. It is preferable to draw 2 or 3 blood samples, each 1–2 hr apart, in a 24-hr period. Strict aseptic technique is required. However, blood culture results are frequently negative (and are positive in other types of septicemia) and cannot be used alone to make the diagnosis of endocarditis.
Radiography may demonstrate cardiac chamber enlargement, depending on the location and degree of insufficiency of the involved valve. If the aortic or mitral valve is severely affected, there will be left atrial and left ventricular chamber dilatation. Evidence of left heart failure may be seen as an increase in interstitial density or, in severe CHF, an alveolar pattern in the pulmonary parenchyma. If the tricuspid or pulmonic valve is affected, right-sided chamber enlargement is expected. Echocardiography is the diagnostic test of choice, because blood cultures are positive in only 50–90% of dogs. The affected valve is usually easily detected—the involved area is hyperechoic (bright), thickened, and often vegetative (ie, looks like a cauliflower). Erosive lesions may predominate in some animals. Doppler echocardiography will confirm insufficiency of the valve, and chamber enlargement on the side of the affected valve is expected when significant insufficiency is present. Electrocardiography may demonstrate atrial and ventricular premature complexes. Infrequently, other arrhythmias such as atrial fibrillation or conduction disturbances are found. The height of the R wave may be increased (suggestive of left ventricular enlargement) and the width of the P wave increased (suggestive of left atrial enlargement).
Therapy is directed at controlling clinical signs of CHF, resolving any significant arrhythmias, sterilizing the lesion, and eliminating the spread of infection. The heart failure may be severe and intractable if the aortic valve is significantly involved; the prognosis is grave in these cases. The prognosis is much more favorable when infection is mild and limited to one of the AV valves. Controlling heart failure requires the use of diuretics such as furosemide, an ACE inhibitor, and when myocardial failure is present, pimobendan. Initially in dogs, parenteral antibiotics are indicated for 1–2 wk (which may be cost prohibitive), followed by oral antibiotics for at least 6–8 wk. Initial broad-spectrum bactericidal antibiotics (a combination of ampicillin plus gentamicin or enrofloxacin, or cephalothin plus gentamicin) should be used and changed, if needed, based on antibiotic sensitivity studies. Renal function should be monitored when gentamicin is used because it is nephrotoxic. The prognosis is poor in most dogs. Those that respond to therapy often require longterm cardiac medications for heart failure (eg, diuretics, vasodilators, pimobendan) and frequent reevaluations. In large animals, rifampin (5 mg/kg, PO, bid), together with another broad-spectrum antibiotic, has been demonstrated to improve short-term outlook. Aspirin (100 mg/kg, sid in ruminants and 17 mg/kg every other day in horses) or heparin (30 U/kg, SC, bid in ruminants and horses) may prevent further thrombus and vegetative growth in large animals.
Antibiotic prophylaxis is indicated in dogs with subaortic stenosis when any type of procedure that can result in significant bacteremia is performed. Routine dental prophylaxis is not warranted with other types of cardiac disease and especially not in dogs with myxomatous mitral valve degeneration, because there is no evidence that these dogs are at increased risk of infective endocarditis.
Pericardial disease most commonly causes an accumulation of fluid within the pericardial sac (ie, pericardial effusion). This accumulation can be acute or chronic, but chronic is much more common in veterinary medicine. When the fluid accumulation is severe enough to markedly increase the intrapericardial pressure, cardiac tamponade occurs. Acute cardiac tamponade (eg, due to left atrial rupture or thoracic trauma) primarily results in decreased cardiac filling and an abrupt decrease in cardiac output. Chronic cardiac tamponade primarily increases the diastolic intraventricular pressures. This causes signs of CHF. Right-sided diastolic—and so systemic venous and capillary pressure—only have to increase from a normal of 5 mm Hg to 10–15 mm Hg to produce signs of right heart failure, while left-sided pressures must increase from a normal of <10 mm Hg to >20 mm Hg to produce left heart failure. Thus, signs of right heart failure predominate.
Pericardial effusion is a relatively common form of acquired cardiovascular diseases in dogs, is uncommon in cattle, and is rare in horses and cats. In dogs, cases involving middle-aged, predominantly male, large breeds are most frequent. Idiopathic pericarditis and cardiac neoplasia are the most common causes of pericardial effusion in dogs. Hemangiosarcoma and heart base tumors are the most frequently seen cardiac neoplasms. Mesothelioma is a less common form of pericardial neoplasia. Hemangiosarcoma is most frequently identified on the right auricle, in the right AV groove, and in the right atrial chamber in dogs using echocardiography. Heart base tumors (most commonly chemodectoma or ectopic thyroid carcinoma) usually are identified between the aorta and main pulmonary artery. In cats, the most common cardiac neoplasia is lymphoma, but the most common cause of pericardial effusion is heart failure. Most cases of pericardial effusion in cats are not severe enough to cause cardiac tamponade. Less common causes of pericardial effusion in dogs are infections (eg, coccidioidomycosis), trauma, left atrial rupture, and CHF. Cattle most often develop pericardial effusion secondary to traumatic reticulopericarditis (see Traumatic Reticuloperitonitis) or cardiac neoplasia (lymphoma). Lymphoma in cattle can also result in valvular insufficiencies. In horses, septic pericarditis and idiopathic pericarditis are most commonly reported.
The severity of clinical signs depends on the rate of pericardial fluid accumulation. In dogs, ascites is by far the most common clinical manifestation. In horses, there is often a history of respiratory tract infection, fever, anorexia, and depression. Physical examination findings, in addition to abdominal distension, include generalized weakness, jugular venous distention, muffled heart sounds, and occasionally a pericardial friction rub. With slow development of pericardial fluid, the pericardial sac is able to stretch or enlarge, and clinical signs of right heart failure may not develop until severe pericardial effusion is present.
CBC, serum chemistry profile, and urinalysis results are usually normal. Mild anemia, neutrophilic leukocytosis, hyperfibrinogenemia, and hyperproteinemia may be seen in horses with septic pericarditis and effusion. In horses with suspected septic pericarditis, a culture and sensitivity of the fluid should be performed. In septic pericarditis, there will be a large number of neutrophils with some being degenerate. Protein content of the fluid will be high, and bacteria may be seen. Cytologic features of idiopathic pericardial effusion in horses are variable, with neutrophils, eosinophils, and macrophages present in variable numbers. Cytologic evaluation of the pericardial fluid is usually not helpful in providing a definitive cause for the pericardial effusion in dogs unless an infection is present, which is uncommon.
Radiographs often show an increase in the size of the cardiac silhouette, which takes on a rounded (globoid) appearance. If the cause is a cardiac tumor, especially a heart base tumor, the cardiac silhouette may appear eccentrically enlarged if no or only slight effusion is present. The caudal vena cava may be dilated if cardiac tamponade is present. Pleural effusion may also be present, more commonly if mesothelioma is the cause of the pericardial effusion. The ECG in most cases shows normal sinus rhythm to sinus tachycardia. Occasional atrial premature and ventricular complexes may occur. The height of the R wave is often decreased (<1 mV in dogs), and there may be a pattern of alternating variation in R wave amplitude, referred to as electrical alternans, when there is a large amount of effusion present. This results from the swinging motion of the heart within the fluid-filled pericardial sac. Echocardiography is the most sensitive and specific test for the detection of pericardial effusion. A tumor can be visualized in most cases of neoplastic effusion. When cardiac tamponade is present, the walls of the right atrium and right ventricle collapse in systole or diastole.
Pericardial effusion, dog
Animals with cardiac tamponade require mechanical drainage of the pericardial space (pericardiocentesis) using a catheter. Medical therapy is typically ineffective at reducing pericardial effusion. Diuretics are contraindicated in acute cardiac tamponade, because they decrease blood volume and cause a further decrease in cardiac output. Pericardiocentesis is done by placement of a catheter through the chest wall on the right side, just above the costochondral junction at the fourth to fifth intercostal space. Echocardiography can be used to guide catheter placement at the point where the pericardial sac is closest to the thoracic wall and most distended with fluid, but it is not necessary. A syringe or extension set with stopcock and syringe (preferred) is attached to the catheter. The system must be closed to air at all times once penetration of the chest wall occurs to avoid creating a pneumothorax. The catheter is passed directly toward the heart while intermittently aspirating. When the pericardial sac is entered, fluid (usually quite bloody) flows freely into the syringe. The catheter should be carefully advanced over the needle into the pericardial sac. The fluid should be placed either in a glass tube or in a tube containing thrombin to cause clotting if blood from the heart is aspirated; if it does clot, the catheter should be removed from the cardiac chamber it is in. As much fluid as possible should be removed from the sac and a sample submitted for analysis. When performing pericardiocentesis in horses, the left fifth intercostal space should be used to avoid the atria, coronary arteries, and right ventricle. Pericardial lavage, with or without antibiotics, is often performed in horses after pericardiocentesis. Pericardiocentesis is relatively easy to perform and serious complications are rare. However, confirming the presence of pericardial effusion by echocardiography is advisable before performing pericardiocentesis.
Parenteral fluids may be given immediately before and after pericardiocentesis. Corticosteroids have not been shown to be beneficial in idiopathic pericarditis (benign pericardial effusion) in dogs, although they have been used with success in horses. Most tumors that cause neoplastic effusion do not respond well to chemotherapy.
When idiopathic pericarditis is suspected (ie, no mass visible by echocardiography), the owner should be instructed to carefully monitor the animal for any signs of recurrence. Should this occur, a repeat pericardiocentesis is indicated. A subtotal pericardectomy is generally recommended after the third pericardiocentesis. Heart base tumors only rarely metastasize in dogs, although they can grow to be quite large and may compromise function of surrounding structures. If recurrent pericardial effusion secondary to a heart base tumor is diagnosed, subtotal pericardectomy should be considered. A dog can survive up to 2 yr after successful subtotal pericardectomy. The prognosis for right atrial hemangiosarcoma is poor to grave. Many dogs have metastasis or micrometastasis (most commonly to the lungs and not visible on radiographs) at the time of diagnosis.
Systemic hypertension is an increase in systemic blood pressure. There are 2 major types of systemic hypertension. Essential hypertension, which is idiopathic (primary) hypertension, is rare in dogs and cats, but common in people. Secondary hypertension results from a specific underlying disease. In dogs, the most common cause of hypertension is renal disease/failure; in cats, the most common causes are renal disease/failure and hyperthyroidism. Hyperadrenocorticism, diabetes mellitus, and pheochromocytoma are other causes of systemic hypertension in dogs.
The diagnosis of systemic hypertension is made by measurement of systemic blood pressure. The most accurate assessment method is direct measurement via arterial puncture, which is impractical in most instances. The next most accurate method (although still often inaccurate) is indirect measurement using a Doppler probe to assess blood flow in an artery (typically the superficial palmar arterial branch of the radial artery) distal to pressure cuff placement (typically on the forelimb). Cuff width should be 30% of the circumference of the forelimb in cats, and 40% of the forelimb circumference in dogs. Shaving the hair just proximal to the palmar metacarpal pad for application of the Doppler probe allows for more accurate results. The hindlimb can also be used, in which case the superficial plantar arterial branch of the caudal tibial artery is assessed. The disadvantage of Doppler blood pressure measurement is that only systolic blood pressure is reliably measured. Other methods of measuring systemic blood pressure, such as the oscillometric method, are even less accurate than the Doppler method, especially in small dogs and cats. Although indirect blood pressure measurement is less accurate than direct assessment, it can detect acute trends in blood pressure during anesthesia. Normal values vary with patient stress; values higher than expected for a normal patient often are caused by the stress of examination. With certain exceptions, systolic pressures >180 mm Hg are likely to be truly elevated in a patient that appears calm, and values >200 mm Hg should be strongly considered evidence of systemic hypertension.
Dogs and cats with severe systemic hypertension often have no clinical signs. Acute blindness is the most common clinical sign. Retinal lesions (eg, retinal hemorrhage, retinal detachment, arterial tortuosity, focal or diffuse retinal edema) were found in 80% of hypertensive cats in one study. Blood work may demonstrate abnormalities consistent with the cause of hypertension (eg, elevated T4 levels in hyperthyroid cats, elevated BUN and creatinine in animals with renal failure). Treatment should be initiated in patients with consistently measurable and severe hypertension, or in patients with consistently measurable hypertension and documentation of an underlying cause such as renal failure. Systemic hypertension in cats and dogs appears to be due to constriction of systemic arterioles, because only potent systemic arteriolar dilators are reasonably effective for decreasing systemic blood pressure to a clinically significant degree. The treatment for cats is amlodipine (0.625–1.25 mg, PO, sid). Other drugs, such as enalapril, diltiazem, β-blockers such as atenolol, and diuretics such as furosemide are generally ineffective. In dogs, amlodipine (0.2–0.7 mg/kg, sid) and hydralazine (1–3 mg/kg, bid) are the only consistently effective drugs.
Pulmonary hypertension is elevation of blood pressure in the pulmonary circulation. Possible causes include increased blood viscosity (eg, polycythemia), increased pulmonary blood flow (eg, ventricular septal defect, patent ductus arteriosus), and increased pulmonary vascular resistance due to decreased overall cross-sectional area of the pulmonary vascular bed (such as caused by pulmonary arterial wall hypertrophy, pulmonary thromboembolism, and pulmonary vasoconstriction). Primary pulmonary hypertension is rare in any species other than people. In cattle, the most common cause is hypoxia-induced pulmonary vasoconstriction caused by high altitude (see Bovine High-Mountain Disease). Chronic ingestion of locoweed (Oxytropis and Astragalus spp), or chronic pulmonary disease caused by bronchopneumonia or lungworm infestation can also result in pulmonary hypertension severe enough to result in right heart failure. In horses, pulmonary hypertension may occur secondary to left heart failure. In dogs, pulmonary hypertension most commonly occurs secondary to heartworm disease, pulmonary thromboembolism, severe hypoxemia due to primary pulmonary disease, and left heart failure. Clinical signs are typically those of right heart failure (ascites, exercise intolerance, collapse) and syncope. Physical examination findings may include evidence of ascites in dogs, and ventral edema in cattle and horses along with jugular vein distention and pulsation. Definitive diagnosis requires direct measurement of pulmonary arterial pressure (rarely performed), or estimation of pulmonary pressures by Doppler echocardiography. Echocardiography may demonstrate septal flattening, right ventricular chamber dilatation and/or free wall thickening, and right atrial enlargement. Treatment is typically unrewarding, and the prognosis is often poor, depending on the etiology. In heartworm disease, successful clearance of adult worms from the pulmonary arterial vasculature often results in a reduction in pulmonary artery pressure and resolution of right heart failure. Dogs with a right-to-left shunting PDA can live for several years despite severe pulmonary hypertension if their polycythemia is adequately controlled. Sildenafil (1 mg/kg, bid-tid) is probably the most effective drug for lowering pulmonary artery pressure in dogs. The best chance for a successful longterm outcome is when the underlying disease can be identified and treated.
Last full review/revision July 2011 by Mark D. Kittleson, DVM, PhD, DACVIM (Cardiology)
Heart Failure
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Witnesses for Thomas refute claims One says boy only placed in outdoor kennel to be kept away from grill
Wednesday, February 20, 2013
DOVER — In the ninth day of the trial of New Durham resident Christina Thomas, set to conclude this week, the defense called to the stand its first witnesses while the Strafford County attorney's office concluded its list.
Thomas, 34, faces 10 to 30 years imprisonment, according to her indictment papers, and is currently out on personal recognizance bail. She was indicted on a charge of first-degree assault for allegedly starving the victim last August. Thomas' mother, Peggy Starr, 55, also of New Durham, will face trial in April for alleged second-degree assault of the victim.
Defense attorney Steven Keable pointed out in cross examination with Dr. Ricci, although the doctor made these diagnoses, he made many "presumptions" about the boy's home life and interaction with the Thomas family. The doctor confirmed he presumed Thomas was the boy's primary caretaker and said the primary diagnosis of the boy was malnutrition, followed by the secondary psychosocial dwarfism diagnosis.
During an approximate six-hour long period in Strafford County Superior Court, Keable called a few of only several witnesses he plans to bring forward in this case.
He told the courts he didn't want his friend of 25 years to "get in trouble," and even attempted to retract his statements to DCYF after Thomas' children — five sons and one girl — were taken away by the state. Pearson said he saw the boy's biological mother, and not Thomas, put the child in a dog kennel in the basement and also witnessed her placing her son's head under water in the bathroom. He also testified police filed their reports incorrectly when they charged Thomas with criminal threatening for allegedly holding a knife to the boy's mother in 2008, stating rather he saw the boy's mother grab the knife and threaten Thomas.
The victim's biological mother, a developmentally delayed 34-year-old woman who befriended Thomas in her teenage years, began living at the New Durham household right before giving birth to the victim in 2003. The woman was allegedly under the care of Thomas, because she needed a place to stay and a payee for her social security checks. The prosecution alleges Thomas was the primary caretaker of the young boy, though several defense witnesses said all the adults in the house assisted in providing meals and feeding children in the Thomas house.
Foster's is not identifying the victim or his biological mother in this case to protect the identity of the juvenile.
Following the testimonies of Keith Brooks, a 10-year-long friend of Thomas, and Cheryl Marshall, Thomas' cousin who lives in Farmington, Deputy Strafford County Attorney Alysia Cassotis asked both under cross examination if they thought Thomas "wore the pants" in her household. Cassotis also asked them if they thought it was odd that Thomas lived with her husband, Michael Thomas, as well Kevin Tulley, who has been referred to as the suspect's boyfriend. Both men in court were described as having fathered some of Thomas' children.
When asked about circulating rumors that Christina "Tina" Thomas may take the stand this week and testify herself, Keable told Foster's, "We are still discussing (that)." Keable said he expects to finish with his witnesses on Wednesday, though the trial may extend into Thursday if Thomas takes the stand.
A few University of New Hampshire students, from the justice studies program, sat in on the trial with their professor to observe the case, similar to some teenagers from Prospect Mountain High School in Alton who attended the proceedings earlier this month with their teacher.


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Main Site - :: Why Won't God Heal Amputees? ::
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http://www.counterpunch.org/davis01082005.htmlAfter reading some answers by Fundies, and having been a former Fundie myself, I found this article quite enlightening.
I wish the author had doubled the length of the piece and gone into as much detail regarding methods to break through to the people he described so exhaustively. I wonder if that is a work in progress and what his expertise suggests as far as the more likely paths in that direction.
You believe evolution and there is no evidence for that. Where is the fossil record of a half man half ape. I've only ever heard about it in reading.
Yep, I'm going to have to feed that into a speech synthesis program and run it a few times.
What is the likelihood we'll see JTW in here? I mean, I wouldn't even ask for a meaningful reply, just something that showed he had read the whole thing.
I have not encountered any mechanical malfunctioning in my spirit. It works every single time I need it to.
The evangelism, the born-again-ism, and the sexual perversion speak for themselves.
No, they don't speak for themselves. You lose. On both counts.


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We arrived at Landstuhl Regional Medical Center with a lot of apprehension, not knowing what we would encounter.
We found a beautifully maintained base, spotless. And the welcoming area is a USO office, which felt like being at home. It's run by a dedicated volunteer and professional staff, some who have been there eight years. They served us a home cooked meal of brisket, and we shared the meal and conversation with ambulatory patients and medical staff. There were many outdoors enthusiasts among them, both anglers and hunters, so you can imagine there were many tales told.
Here's a bit of history for you. Before WWI, Landstuhl was a hunting retreat for the ruling German aristocracy. Hitler confiscated it and turned it into a Nazi Youth Camp. It was liberated at the end of WWII by the U.S. Army Medical Corp, turned into an Allied forces hospital and has remained in service to this day.
At the hospital, we were introduced to the chiefs of each ward. I've never met more professional, caring and dedicated people. The staff is personally involved with each patient.
We talked with a soldier, a severe burn victim, who came through the center eight years ago as a patient and was mentored by another patient. After his extensive treatment, he dedicated his remaining service to mentoring patients. He has a strength of character I only wish I had.
We also met a father and son. The son was four days out of Afghanistan, an IED victim. How do you express your feelings to a father who has rushed to his only son's side?
The entire experience was one of sadness and thankfulness. Sorrow that the world has not progressed beyond conflict and combat. Thankfulness that we live in a time — and in a country — that has the best of medical technology and resources to care for the people who protect us.
The remainder of our trip is in the Persian Gulf theatre. I don't know what we will see but we will forever remember the men and women who serve at Landstuhl.
On a lighter note, there is downtime. Gen. West had the first straight flush of the trip and is feeling pretty flush himself (with our money). Ryan Klesko remains a shark and has taken the single largest pot. Never count him out. Jerry Martin sits quietly in the weeds and waits for prey. Michael Waddell and I are like innocent fawns among wolves.
Tomorrow is a travel day. The skies of Lufthansa are not so friendly. They're undergoing a baggage handlers strike. We have several alternate routes identified and are determined to not let the strike interrupt our tour.
More to come when we hit the Persian Gulf. In the meantime, click here to read about Michael Waddell's experience on the tour.
— George
Oh, one more thing. I have to share some background on our tour leader, retired USMC Maj. Gen. Randy "Grits" West. Under Gen. Schwarzkopf's command, Gen. West organized and led the Marine air support task force that coordinated and led the invasion of Kuwait in Operation Desert Storm. Under Gen. West's leadership, we not only liberated Kuwait in four days, but did so without the loss of a single Marine or aircraft under his command. He personally raised the Kuwaiti and American flags over Kuwait City on Day 3 of the invasion.
Gen. West has written a captivating account of his experience. And he gave me the honor of reading his galley proof. It's a story of personal commitment, discipline, duty, leadership and faith. He attributes his success to the power of personal and collective prayer. You will not find a more compelling witness. I could not put it down.
We'll let NWTF members know as soon as it's published.


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just wanna say thanks for helping to provide the missing 2.7 Carbide.c++. it's appreciated
edit: just seen huellif's request. and yes this filling of missing files would be worhwhile
just wanna say thanks for helping to provide the missing 2.7 Carbide.c++. it's appreciated
edit: just seen huellif's request. and yes this filling of missing files would be worhwhile
As announced last year, Nokia officially stopped supporting Symbian/Meego/Qt SDKs on January 1 2014. I left the SDKs on the wiki as long as I could but had to remove them last week.
I know how frustrating it is to spend time and energy learning to develop on a platform and creating apps for that platform, only to have it removed. I'm sorry, and I wish there were something I could do to help. If there is a specific SDK that you need, send me a PM and I may be able to help you on a one-off basis if I have access to the file.
How can I help?
Hi, Jen
Thank you again for your continued support of the developers who are still working on their Symbian projects
i have another request, but i honestly have very low hope for this one: do you by any chance have any of the 3rd Edition C++ Developer's libraries cached somewhere?
Thank you
Edit/Add: i have been extensively Googling, but haven't found these resources in an offline format.
I also changed the Symbian and Qt Wiki pages and updated the download links, now they use non Nokia links:
Is this OK?
@All please read here to help us to collect all missing development tools: http://n8delight.blogspot.de/2014/05...f-symbian.html
Currently the collection contains:
- All Qt 1.2.1 SDKs (Linux x64 and x32, Mac and Windows)
- s60v3, s60v5, N97, S^3 and Belle SDKs
- Offline Developer Libraries of s60v3, s60v5, S^3, S^3 PDK and Belle
- GCCE 4.6.3 + docs
- RVCT 4.0 icnl. SP3 (4.1 will come soon) - requires a license
- Carbide C++ (3.2 and 2.7)
- NokiaWebTools 1.2.0
- Carbide UI 4.3 and a couple of plugins
- Ruby
- PyS60 (2.0.0, 1.9.7, 1.9.6)
- Silverlight
- eBooks about Symbian, Qt, C++ and Assembler
To help offset huellif's bandwidth and as a general precaution, i have mirrored as many of these resources as i have available (and will update in this thread as i have more).
Thank you to Jen for her help in gathering the missing pieces =o)
Symbian SDKs
Carbide C++
Developer libraries
Links to Qt SDKs
Qt SDK 1.2.1
Last edited by matthewkuhl; 2014-05-16 at 03:48. Reason: Added links
Some time ago we had the discussion about how to navigate from the wiki to discussions or vice versa. Some users wished the old navigation back but that was denied.
I just had an idea how this might be possible without the old navigation bar:
In the top 'path control' (I mean the 'Home > Discussion > Site Feedback & News > Feedback - Nokia Developer Services & Infrastructure > New Nokia Developer Beta' bar) only the page names (Home, Discussion etc.) are hyperlinks. I could imagine the first > character be a hyperlink opening a little menu with the (main) pages one can go from there, e.g. Wiki, Discussion, Blogs. The other > chars could work similarly.
Any thoughts about this?
- Visit DVLUP and earn rewards
It could work but many users won't discover it unless the representation is made fairly obvious.
Also, I think there is a need for having a direct link to Wiki and Dibo from anywhere in ND, it could make these more discoverable and drive more traffic.
Pankaj Nathani
Isn't it enough if it works for power users? At least better than not having it
- Visit DVLUP and earn rewards
influencer I've been thinking about this suggestion. It's really quite genius. However I think it's too obscure to be useful, unless linking through cookie delineators becomes the industry standard.
For advanced users, generally the wiki is in the most visited section in the toolbar. When I type "wiki" into my toolbar it comes up. When I type "discussion" the dibo comes up. I will be the first to agree with you that the navigation is not ideal though. I will keep trying to get them to change it.
How can I help?
I have to add a little correction. I meant not a hyperlink but a menu that opens when hovering over the '>' character in order to need just one click to switch to dibo or wiki.
- Visit DVLUP and earn rewards
Vineet, apart from others although Jennifer had clarified regarding that but the context probably did not go noticed by many, there was a separate post with only the relevant text


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KPMG's Digital Debate
David Elms, Partner, Head of Media, KPMG in the UK
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Clip 2 - Change or Fail?
Paul Wissmann, Partner, Head of Media & Telecommunications, KPMG in the US
Digital distribution channels are transforming the media sector, forever changing the traditional content landscape. The vast availability of content on demand via mobile devices and over the internet has increased the consumers' appetite for content and their expectations as to immediacy. It has also brought many new players into the market.
Traditional media companies need to change or fail. Consumers have been given a taste of these new possibilities and they like what they see.This is creating greater demands for innovation and quicker response. Media companies will have to make it clear how they are meeting customer needs. They also have to address the impact of digital transformation on their relationship with the content owners.
As use of DVRs and streaming options become common, consumer preferences are driving change. While traditional media is holding up well to the disruption, the impact can be dramatic in areas where over the top delivery is starting to make some inroads.
Cable companies, for example, have so far done a pretty good job of reacting to the challenges of some of the over the top content providers to maintain their subscriber base. But as more new players enter the market (especially well funded ones), it is going to be harder and harder to keep ahead.
To change from one pay tv provider to another is currently a hassle for consumers. The problem for over the top players is there is not that all encompassing product that effectively replicates the standard cable or satellite package. But when that problem is solved, then the over the top players can truly compete with the traditional providers, making it harder to hold onto subscribers.
I can see the possible winners falling into one of two groups: over the top players who have the resources to build a deep content base and also produce original content of their own. Or content owners themselves who come up with a direct-to-the-consumer model that generates sufficient revenue.
Clip 3 - The impact of digital multi-tasking on advertisers
What does the impact of the explosion of mobile devices mean for advertisers? With the availability of content over multiple channels, consumer attention is being pulled in every direction. Adapting in this new environment is a challenge for the advertising world. As digital multi-tasking becomes more prevalent, the advertising industry needs to rethink its model for pricing and delivery.
Advertisers will need to figure out how to provide seamless campaigns where they target the consumer in all media channels at the same time.
I also believe digital multi-tasking promotes a shorter attention span that will need to be taken into account. As a result, shorter more interesting advertising will rule the day. It is going to be an experiment and there will have to be failures in order to find success. The winners will be those prepared to take risks and learn from their mistakes.
We welcome your participation, feedback and suggestions.
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*Editors' Choice* A solid Cabernet, dry and fullbodied, showning classic flavors of blackberries, currants and oak, with hints of vanilla and toast. Feels rich in the mouth, a wine to enjoy through a long finish. Great price, and it could even develop in the bottle over the next few years.
(11/ 2011)
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2012 Von Strasser "Rudy" Napa Valley Cabernet Sauvignon
2012 Textbook Napa Valley Cabernet Sauvignon
2013 McManis California Cabernet Sauvignon
2012 Lewis Cellars "Reserve" Napa Valley Cabernet Sauvignon
2012 Larkmead Napa Valley Cabernet Sauvignon


text:
Steam games?
Steam games?
It's not a secret that ATi is on the forefront of open source drivers. Now the closed source drivers are catching up to nVidia's closed source driver.
With HTC Linux Android phones using AMD GPU's and the ATi Linux desktop having the best FLOSS drivers and a pretty good proprietary driver, AMD GPUs could become the one stop shop for Linux graphics. Who would have thought, few years ago, that this would possibly happen?
"AMD all the way" still holds this very day. Best price/performance, greenest full fledged GPU's, fasted GPUs and most widely supported GPUs! :O
AMDs' at it, big time!
Perhaps they're better than they used to be, but I still can't get dual screens working. It took me a trivial amount of time to set up on the open drivers, even back when the drivers were still extremely new. Just last week I had working dual screen on Fedora right out of the box, but that all ended when I installed fglrx.
Once you go dual screen, it's impossible to go back.
wikipedia's article on HTC phones wouldn't mention anything about that. Plenty of Qualcomm's and TI's SOCs in there though...


text:
(?)Community Member
- Report Post
- Posted: Tue, 08 Oct 2013 03:44:06 +0000
I think Kickstarter is great for small projects. Personally I try to only fund projects if they are for individuals or small groups, I am not a fan of already established studios or companies using kickstarter. I think on thing that most people don't realize is that if they add a ton of perks, the amount of time and money it will take to make and deliver everything. So if you choose to do perks make sure it is something viable on a larger scale than what you anticipate (like a computer wallpaper sent out by email) or you put a limit on the amount you can make (like doing a set number of prints, so you only have to order one stack at most). Perks are awesome to draw people into your project but I've heard a lot of horror stories about them getting out of hand really fast.
I've been reading up on other's past experiences. I'm with you in that I'm not to happy with people that could get their work published in other areas, using KS just because they don't want to answer to someone. If thats why you're having a KS, than I"m going to think that problems will popup later because of lack of organization. On the other hand, if its from a group of popular artists that never got a chance to do something creator own, then thats cool. You already know they make great work, but might not have the resources to do it all on their own.
I'm planning for my KS after I'm done with half the book, and penciled all of the book. I'm hoping to live stream me working on the pages to get some momentum before I launch. Currently I'm part of a group using Indiegogo for a magical girl comic. I'm only toning, but I"ll see what sort of feedback I'll get since we're all unknown. I know you need to develop a following, but at what point does it defeat the purpose and just set up a pre order system without paying KS' fees?


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e s k i m u s k i
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- Report Post
- Posted: Thu, 16 Aug 2012 03:09:00 +0000
I'm here:at home // I'm going here: to the square // I'm feeling: curious about these paintings // I'm with: noone at the moment
The paintings had some brilliant detail. There was one she was considering buying. It was an oceanic beach scene where the seagulls were flying overhead and the waves lapped the shore. You could see every feather on the birds' bodies if you looked close enough. "How much is this?" she questioned the man at the booth. "A-twenty dollares," he said, a twinge of an accent showing when he said dollars. Her lips twisted into a thoughtful whisp of a smile and she shook her head. "I'd love to buy it, but maybe later if it's still here," she said. The man just shrugged and tended to another customer nearby. Beatrice didn't truly want to trek back to her home to put the painting away and didn't really think she absolutely needed it. Besides, she didn't have the extra money to spend frivolously. You only earned so much from being the owner of a hot springs.
"Good morning Bea! Happy new year!" Beatrice turned around and a bright smile lit up her face. "Oh! Henny! It's so good to see you!" She let herself be hugged and embraced the other girl right back. Henrietta was her closest friend and she went to the girl to confide all of her troubles. She was probably the nicest person Beatrice had ever met. When the other woman asked about Henri, she shook her head with a smile. "Well, I've given him a few dollars to keep him busy at the stalls. I don't know how long he'll stay in the square though . . . He knows he's supposed to stay here, but as soon as he sees someone he's gone." She shrugged her shoulders. "Kids! What can you do?" Beatrice chuckled and gasped, stooping to the ground and carefully reaching out to pet Mira. "Aww, such a cutie! Henri has always wanted a puppy, but Lord knows how long he'd play with it until he'd get bored of it. If he's still interested when he's older I just might get him one, but I don't know yet," she said, scratching the puppy behind it's cute and floppy ears. Beatrice stood again and looked at the flowers in the basket. "And how pretty! You always take such good care of the flowers, no wonder they always look so beautiful," she commented in a heart-felt manner.
Beatrice fixed her friend with a small, quizzical look. "What are you up to today? Just enjoying the festival or do you have something big planned?" She was just wondering, knowing that she herself would be doing the first and then possibly taking a hot springs bath to end the day.