En förträngning på eller strax under pulmonell ventil. Vanligtvist orsakad av defekter eller förekomsten av fibrös vävnad i kammarseptum. Kännetecken: begräsat utflöde från den högra kammaren till lungartären, trötthet, andnöd och bröstobehag.
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.
Pulmonär subvalvulär stenos
Subvalvular Stenosis, Pulmonary — Obstructive Subaortic Conus — Conus, Obstructive Subaortic — Subaortic Conus, Obstructive — Pulmonary Infundibular Stenoses — Pulmonary Infundibular Stenosis — Pulmonary Stenoses, Subvalvular — Pulmonary Stenosis, Subvalvular — Pulmonary Subvalvular Stenoses — Stenoses, Pulmonary Infundibular — Stenoses, Pulmonary Subvalvular — Stenoses, Subvalvular Pulmonary — Stenosis, Pulmonary Infundibular — Stenosis, Pulmonary Subvalvular — Stenosis, Subvalvular Pulmonary — Subvalvular Pulmonary Stenoses — Subvalvular Pulmonary Stenosis — Subvalvular Stenoses, Pulmonary — Infundibular Stenoses, Pulmonary — Infundibular Stenosis, Pulmonary