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Mitral valve stenosis

Last updated: September 8, 2020

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Mitral stenosis (MS) is a valvular anomaly of the mitral valve that leads to obstruction of blood flow into the left ventricle. The most common cause of MS is rheumatic fever. The clinical manifestations depend on the extent of stenosis: reduced mitral opening leads to progressive congestion behind the stenotic valve. Initial dilation of the left atrium (complications: atrial fibrillations, emboli) is followed by progressive congestion of the lungs and subsequent cardiac asthma (coughing, dyspnea). Acute decompensation can cause pulmonary edema. Echocardiography is the main diagnostic tool for evaluating the mitral valve apparatus, left atrial size, and pulmonary pressure. In the event of high grade and/or symptomatic stenosis, percutaneous valvuloplasty or surgical valve replacement is often required.



ACE inhibitors and other afterload-reducing drugs are contraindicated because they cause dilation of peripheral blood vessels, which may lead to cardiovascular decompensation!

We list the most important complications. The selection is not exhaustive.

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