<prompt> Heart failure with preserved ejection firaction-Dilated cardiomyopathyRestrictive cardiomyopathyMIHypertension  <response>: Ans. is b i.e., Restrictive cardiomyopathy o Diastolic heart failure DHF is a clinical syndrome in which patients have:Symptoms and signs of heart failure HFNormal or near normal left ventricular L Vi ejection fraction EFNormal or near normal L V volume,, and evidence of diastolic dysfunction e.g., abnormal pattern ofL Vfilling and elected filling pressures.o By contrast, systolic heart failure SHE is characterized by increased L V volume and reduced EF.o Among all patients with HF, as many as half have a normal or near normal LVEF.o This condition has been termed heart failure with normal ejection fraction HFNEF orheart failure with preserved ejection fraction HF-PEFEtiologies of Heart FailureDepressed Ejection Fraction 40o Coronary artery diseaseMyocardial infarctionaMyocardial ischemiaaoChronic pressure overloadHypertensionaObstructive valvular diseaseao Chronic volume overloadRegurgitant valvular diseaseIntracardiac- left-to-right shuntingExtracardiac shuntingo Nonischemic dilated cardiomyopathyFamilialgenetic, disordersInfiltrative disorders3o Toxicdrug induced damageMetabolic disorder3Viralo Chagas diseaseo Disorders of rate and rhythmChronic tachyarrhythmiasChronic tachyarrhythmiasPreserved Ejection Fraction 40-50o Pathologic hypertrophy Primary hypertrophic cardiomyopathieso Agingo Restrictive cardiomyopathy Infiltrative disorders amyloidosis sarcoiodosiso Fibrosiso Endomyocardial disordersPulmonary Heart DiseaseCor pulmonalePulmonary vascular disorders High-Output States Metabolic disordersThyrotoxicosisNutritional disorders beriberio Excessive blood-flow requirementsSystemic arteriovenous shuntingChronic anemia 