Reviewed by Louise Chang, MD on August 17, 2011

 Mitral valve prolapse is a common cause of a heart murmur caused by a "leaky" heart valve. Most cases of mitral valve prolapse are not serious and only need to be monitored.

Mitral valve prolapse is associated with many other symptoms and conditions. But experts aren't sure that mitral valve prolapse is what causes them.


What Is Mitral Valve Prolapse?

The mitral valve is a valve that lets blood fl...


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