Heart, section through the middle
Heart, section through the middle
Heart, front view
Heart, front view
Coronary artery blockage
Coronary artery blockage

Heart disease

Definition:

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:

See also chest pain.



Alternative Names:
Cardiovascular disorders


Review Date: 11/7/2002
Reviewed By: Patrick Lam, M.D., Division of Cardiology, University of Pittsburgh, Pittsburgh, PA. Review provided by VeriMed Healthcare Network.
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