Medical Health Encyclopedia

Heart disease


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Coronary artery blockage
Heart, front view
Heart, front view
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Definition

Heart disease is any disorder that affects the heart's ability to function normally. Various forms of heart disease include:





Alternative Names

Cardiovascular disorders


Causes, incidence, and risk factors

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)
  • Cardiomyopathy - weakening of the heart's pumping ability, often caused by heart disease, viral infection, or toxins


Review Date: 11/14/2010
Reviewed By: David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org).

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