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Heart Failure Causes

Most common causes of heart failure:

• Ischemic Cardiomyopathy (cardiomyopathy caused by heart attack)
• Non-Ischemic Cardiomyopathy (cardiomyopathy caused by a condition other than a heart attack)
• Hypertension
• Diabetes/Metabolic Syndrome/Obesity
• Atrial Fibrillation, Atrial Flutter, Tachycardia (abnormal heart rhythm or arrhythmia)
• Alcohol Cardiomyopathy (over-use of alcohol)
• Idiopathic cardiomyopathy (the cause is not known)
• Inherited/Familial
• Valvular Cardiomyopathy (Cardiomyopathy caused by heart valve problems such as Aortic Insufficiency, Mitral Regurgitation, Mitral Stenosis, or Tricuspid Valve Disease
• Congenital Heart Defects (transposition of the great arteries, Tetralogy of Fallot, Septal Defects)
• Hypertrophic Cardiomyopathy
• Restrictive Cardiomyopathy
• Right Side Heart Failure (can be caused by severe lung disease such as Pulmonary Hypertension or Chronic Obstructive Pulmonary Disease (COPD)) 
• Myocarditis (infection of the heart muscle)

Less common causes of heart failure:

• Rare complication of pregnancy or childbirth
• Thyroid disorder
• Severe Anemia
• Chemotherapy induced dilated cardiomyopathy
• Amyloidosis
• Sarcoidosis
• Hemochromatosis