What are the causes of heart failure?
Causes of Heart Failure are - Cardiomyopathy i.e. cardiac muscles become weak - Congenital heart defect - Myocarditis - Heart attack - Heart valves disease - Arrhythmia i.e. irregular heart rhythm - Hypertension - Obesity - Emphysema - Hyperthyroidism - Hypothyroidism - AIDs - Anemia - Sleep apnea - Illegal drug abuse - Alcohol abuse - Chemotherapy