Pulmonary Subvalvular Stenosis - MeSH

Cardiovascular Diseases > Heart Diseases > Ventricular Outflow Obstruction > Pulmonary Valve Stenosis > Pulmonary Subvalvular Stenosis

Cardiovascular Diseases > Heart Diseases > Heart Valve Diseases > Pulmonary Valve Stenosis > Pulmonary Subvalvular Stenosis

Pulmonary Subvalvular Stenosis

do not confuse with PULMONARY VALVE STENOSIS; if secondary to idiopathic hypertrophic subaortic stenosis, coordinate with CARDIOMYOPATHY, HYPERTROPHIC

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.

91(75); was see under CARDIOMYOPATHY, HYPERTROPHIC 1986-90; was see under IDIOPATHIC HYPERTROPHIC SUBVALVULAR STENOSIS 1967-85

http://www.yso.fi/onto/mesh/D011662

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