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Type 1 diabetes is an autoimmune condition causing absolute insulin deficiency. | |
Type 2 diabetes involves insulin resistance and relative insulin insufficiency. | |
Gestational diabetes develops in pregnancy and usually resolves after delivery. | |
A fasting plasma glucose ≥ 126 mg/dL on two occasions confirms diabetes. | |
Hypoglycaemia is defined as blood glucose < 70 mg/dL and needs rapid glucose intake. | |
First-aid for mild hypoglycaemia: give 15 g of fast-acting carbohydrate such as glucose tablets. | |
For severe hypoglycaemia with unconsciousness, give intramuscular glucagon 1 mg if available. | |
Metformin is first-line pharmacotherapy for most adults with Type 2 diabetes. | |
Insulin aspart starts to lower glucose within 15 minutes of subcutaneous injection. | |
Long-acting insulin glargine provides basal coverage for approximately 24 hours. | |
Diabetic ketoacidosis presents with high blood glucose, ketones, and metabolic acidosis. | |
First-aid priority in ketoacidosis is rapid transfer to emergency care do **not** delay. | |
Foot ulcers in diabetics require daily inspection and early antibiotic therapy if infected. | |
HbA1c reflects average glucose over roughly three months target < 7 % for most adults. | |
Regular aerobic exercise improves insulin sensitivity in Type 2 diabetes. | |
ACE inhibitors protect kidney function in diabetic nephropathy. | |
Retinopathy screening is advised annually for diabetic patients. | |
SGLT2 inhibitors reduce cardiovascular and renal events in high-risk diabetics. | |
Hyperosmolar hyperglycaemic state lacks ketones but causes extreme dehydration. | |
Ingesting high-sugar drinks in hyperosmolar state can worsen dehydration. | |
Sudden chest pain radiating to the left arm may indicate myocardial infarction. | |
Call emergency services immediately at the first suspicion of heart attack. | |
Chewable aspirin 160–325 mg is recommended if no contraindication to antiplatelets. | |
Sublingual nitroglycerin can relieve angina repeat every five minutes up to three doses. | |
Do **not** give nitroglycerin if systolic blood pressure < 90 mmHg. | |
Ventricular fibrillation is a shockable rhythm requiring early defibrillation. | |
High-quality CPR compressions: depth 5–6 cm at 100–120 compressions per minute. | |
Automated external defibrillators give voice prompts and will not shock without need. | |
Beta-blockers decrease myocardial oxygen demand post-infarction. | |
Heart-failure first aid focuses on sitting the patient upright and giving oxygen if available. | |
Edema and sudden weight gain can signal worsening heart failure. | |
ACE inhibitors and ARBs improve survival in systolic heart failure. | |
Atrial fibrillation raises stroke risk oral anticoagulation is often indicated. | |
Clopidogrel is an alternative antiplatelet for aspirin-intolerant patients. | |
Statins lower LDL cholesterol and reduce cardiovascular events. | |
Left-sided heart failure commonly causes pulmonary congestion and dyspnoea. | |
Right-sided heart failure leads to peripheral edema and jugular venous distension. | |
Hypertension is a major modifiable risk factor for coronary artery disease. | |
Cardiac enzymes such as troponin I rise within 3–4 hours of myocardial infarction. | |
Post-MI rehabilitation includes gradual exercise under supervision. | |
Kidneys regulate fluid balance, electrolyte levels, and acid-base status. | |
Acute kidney injury (AKI) is often triggered by dehydration, infection, or nephrotoxic drugs. | |
A rise in serum creatinine by ≥ 0.3 mg/dL within 48 hours indicates AKI. | |
First-aid for suspected AKI: stop nephrotoxic medications and ensure adequate hydration. | |
Chronic kidney disease (CKD) is staged by estimated GFR Stage 5 is < 15 mL/min/1.73 m². | |
Uncontrolled hypertension accelerates CKD progression. | |
Dietary sodium restriction (< 2 g/day) lowers fluid overload in CKD. | |
Hyperkalaemia (> 5.5 mmol/L) in CKD may require calcium gluconate and insulin–glucose infusion. | |
Erythropoiesis-stimulating agents treat anaemia of CKD when iron is adequate. | |
ACE inhibitors slow CKD progression but can transiently raise creatinine. | |
Peritoneal dialysis uses the peritoneal membrane for solute exchange. | |
Haemodialysis requires vascular access and anticoagulation with heparin. | |
Renal transplant offers best long-term survival for ESRD patients. | |
NSAIDs can precipitate AKI by inhibiting renal prostaglandin synthesis. | |
Proteinuria > 1 g/day is a marker of glomerular disease. | |
Phosphate binders reduce hyperphosphataemia in CKD. | |
CKD patients should receive annual influenza vaccination. | |
Diabetic nephropathy is the leading cause of ESRD worldwide. | |
Contrast-induced nephropathy risk is lowered by IV hydration pre- and post-procedure. | |
Kidney-friendly diet limits potassium-rich foods such as bananas and spinach. |