Mitral Valve Prolapse
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(rollover to compare with normal) What Are Its Effects?

If the amount of prolapse is significant, there may be a heart murmur (caused by the "flapping" of the oversized leaflets) and/or the leaking of blood at the mitral valve (mitral regurgitation or insufficiency).

Mitral regurgitation is insignificant unless it progresses to moderate to severe insufficiency. This may cause the thickening or enlargement of the wall of that chamber because the heart has to pump more vigorously in order to compensate for the backflow of blood through the mitral valve. Most mitral insufficiency with mitral valve prolapse is mild.

Though Mitral Valve Prolapse is usually not serious, it may be accompanied by various minor symptoms, such as shortness of breath, tiredness, heart palpitations, chest pains, dizziness, headaches, and insomnia. The anomaly increases the risk of infective endocarditis (inflammation of the interior lining and/or the valves of the heart).