Diseases [C] » Cardiovascular Diseases [C14] » Heart Diseases » Heart Valve Diseases » Pulmonary Valve Stenosis » Pulmonary Subvalvular Stenosis
Diseases [C] » Cardiovascular Diseases [C14] » Heart Diseases » Ventricular Outflow Obstruction » Pulmonary Valve Stenosis » Pulmonary Subvalvular Stenosis
Description
Narrowing below the PULMONARY VALVE or well below it in the infundibuluar chamber where the pulmonary artery originates, usually caused by a defective VENTRICULAR SEPTUM or presence of fibrous tissues. It is characterized by restricted blood outflow from the RIGHT VENTRICLE into the PULMONARY ARTERY, exertional fatigue, DYSPNEA, and chest discomfort. MeSH
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