Narrowing: This is a narrowing of the valve opening usually caused by rheumatic fever. It eventually leads to respiratory symptoms and heart failure. Fortunately it can be successfully treated with surgery.
Answered 10/3/2016
5.7k views
Mitral valve: The mitral valve has to open properly to let blood flow into the left ventricle from the atrium. If it doesn't, we call this stenosis. It has to close to keep the blood flowing toward the body, if it doesn't we call this regurgitation or insufficiency. Either or both problems can exist with the valve if its abnormal. Insufficiency is more common.
Answered 4/1/2013
5.2k views
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