Heart disease is any disorder that affects the heart s ability to function normally. Various forms of heart disease include: Alcoholic cardiomyopathy Aortic regurgitation Aortic stenosis Arrhythmias Cardiogenic shock Congenital heart disease Coronary artery disease (CAD) Dilated cardiomyopathy Endocarditis Heart attack (myocardial infarction) Heart failure Heart tumor Hypertrophic cardiomyopathy Idiopathic cardiomyopathy Ischemic cardiomyopathy Acute mitral regurgitation Chronic mitral regurgitation Mitral stenosis Mitral valve prolapse Peripartum cardiomyopathy Pulmonary stenosis Stable angina Unstable angina Tricuspid regurgitation