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What is a leaking mitral valve?

Daniel R. Spogen, MD
Family Medicine
Mitral valve regurgitation (a leaking mitral valve) is when blood flows in two directions during heart contraction. Normally, blood flows from the left atrium to the left ventricle and then into the aorta. When the mitral valve is "leaky," some of the blood flows backwards into the atrium rather than into the left ventricle.

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