Heart disease involves any disorder that affects the heart's ability to function normally. The most common cause of heart disease is narrowing or blockage of the coronary arteries, which supply blood to the heart itself. Some patients are born with abnormalities (congenital heart disease). Other causes include the following:
Abnormal function of the heart valves Abnormal electrical rhythm of the heart Weakening of the heart's pumping function caused by infection or toxins Various forms of heart disease include:
Alcoholic cardiomyopathyAortic regurgitationAortic stenosisArrhythmiasCardiogenic shockCongenital heart diseasedilated cardiomyopathyEndocarditisHeart attack (myocardial infarction) Heart failureHeart tumorHypertrophic cardiomyopathyIdiopathic cardiomyopathyIschemic cardiomyopathyMitral regurgitation; acuteMitral regurgitation; chronicMitral stenosisMitral valve prolapsePeripartum cardiomyopathyPulmonary stenosisStable anginaUnstable anginaTricuspid regurgitation See also chest pain .