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Mitral Stenosis
In mitral stenosis, the mitral valve fails to open normally. Compare the relatively closed mitral valve in mitral stenosis to the valve opening in the normal heart. This chamber is normal to small in volume, because of the impediment to flow into the left ventricle. However, because blood backs up behind the valve, the left atrium, pulmonary artery and right ventricle are enlarged. The left ventricular free wall and inter-ventricular septum remain normal in thickness.
(More detailed description.)
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How Valves Work Valve Diseases Who's at Risk |
