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Mitral Valve Stenosis - Cause

Nearly all cases of mitral valve stenosis are caused by rheumatic fever, which can follow an untreated strep throat infection. But many people who have mitral valve stenosis don't realize that they had rheumatic fever.

Other less common causes include:

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  • A congenital (from birth) heart defect.
  • Infection of the valve or heart muscle (endocarditis).
  • Hardening of the valve or its parts because of aging or severe kidney disease.
  • Conditions that cause scarring of the valve (such as lupus or rheumatoid arthritis).
  • The diet medicine fen-phen. It was taken off the U.S. market in 1997 because of its link to heart valve disease.

WebMD Medical Reference from Healthwise

Last Updated: November 18, 2011
This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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