Pulmonary Subvalvular Stenosis (definition)

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ψ ψ	Pulmonary Subvalvular Stenosis

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Definition: 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.

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

Other names Pulmonary Infundibular Stenosis; Obstructive Subaortic Conus; Infundibular Stenosis, Pulmonary; Subaortic Conus, Obstructive; Conus, Obstructive Subaortic; Subvalvular Stenosis, Pulmonary; Subvalvular Stenoses, Pulmonary; Subvalvular Pulmonary Stenosis; Subvalvular Pulmonary Stenoses; Stenosis, Subvalvular Pulmonary; Stenosis, Pulmonary Subvalvular; Stenosis, Pulmonary Infundibular; Stenoses, Subvalvular Pulmonary; Stenoses, Pulmonary Subvalvular; Stenoses, Pulmonary Infundibular; Pulmonary Subvalvular Stenoses; Pulmonary Stenosis, Subvalvular; Pulmonary Stenoses, Subvalvular; Pulmonary Infundibular Stenoses; Infundibular Stenoses, Pulmonary

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Sources: NLM Medical Subject Headings, NIH UMLS, Drugs@FDA, FDA AERS original data copyright United States Government. No endorsement implied. Last modified 6/6/2012
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