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

Cardiovascular disorders

The most common cause of heart disease is a narrowing of or blockage in the coronary arteries supplying blood to the heart muscle (coronary artery disease). Some heart diseases are present at birth (congenital heart disease).

Other causes include:

• Abnormal heart rhythm
• Abnormal heart valve function
• High blood pressure (hypertension)
• Weakening of the heart's pumping ability, often caused by infection or toxins (cardiomyopathy)

Criqui MH. Epidemiology of cardiovascular disease. In: Goldman L, Ausiello D, eds. Cecil Medicine. 23rd ed. Philadelphia, Pa: Saunders Elsevier; 2007: chap 49.