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Mitral Valve Conditions


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Mitral Valve Regurgitation

Mitral valve regurgitation is a condition that affects the left sided chambers of the heart. The mitral valve that controls blood flow from the left atrium to the left ventricle does not close properly. Sometimes due to a prolapse, this causes regurgitation and blood leaks backward into the left atrium. The heart must work harder to pump this extra blood, increasing the risk for heart failure and an irregular heartbeat.


Mitral Valve Stenosis

Mitral stenosis is a condition where the leaflets stiffen, preventing the valve from opening completely. This narrowing of the mitral valve prevents the valve from opening properly and obstructs the blood flow from the left atrium to the left ventricle. This can reduce the amount of blood that flows forward to the body. This condition tends to develop slowly over time; symptoms may take decades to become noticeable.

See treatment options for mitral valve conditions >>

Signs and Symptoms

  • Fatigue or difficulty exercising

  • Shortness of breath

  • Palpitations

  • Irregular heartbeat

  • Lightheadedness


  • Physical exam can reveal a heart murmur

  • Echocardiogram (cardiac ultrasound)

  • Cardiac catheterization