Pulmonary stenosis etiology and anatomy: Difference between revisions
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'''Pulmonary valve stenosis''' | '''Pulmonary valve stenosis''' | ||
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[[Pulmonary valve stenosis|Pulmonary valve stenosis Home]] | [[Pulmonary valve stenosis|Pulmonary valve stenosis Home]] | ||
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==Etiology== | ==Etiology== | ||
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[[Category: Cardiology]] | [[Category: Cardiology]] | ||
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Revision as of 16:09, 23 June 2011
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WikiDoc Microchapters for Pulmonary valve stenosis |
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Diagnosis |
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
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.
Anatomy
- Typically the valve is domed shaped with fused commissures.
- If the foramen ovale is patent, then right to left shunting can occur at the atrial level.
- If there is pulmonary atresia with an intact ventricular septum then these patients die soon after birth.