Right ventricular outflow tract obstruction etiology
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Associate Editor-In-Chief: Cafer Zorkun, M.D., Ph.D. [2]
Associate Editor-in-Chief: Keri Shafer, M.D. [3]
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Etiology
- Congenital pulmonic stenosis is most common.
- Rheumatic involvement is rare, is usually part of multivalvular involvement, rarely leads to serious deformity.
- Carcinoid plaques can be present in the carcinoid syndrome. These result in constriction of the pulmonic valve ring, retraction and fusion of the valve cusps.