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DefinitionPulmonary atresia is a type of congenital heart disease that involves severe narrowing or complete obstruction of the pulmonary valve (the valve that guards the exit of the right ventricle).
Causes, incidence, and risk factorsThere is no known cause of Pulmonary atresia. It is extremely rare.
Update Date: 5/4/2002Satish K. Rajagopal, M.D., Department of Pediatrics, Columbia Presbyterian Medical Center, The Children's Hospital of New York, New York, NY. Review provided by VeriMed Healthcare Network.
Last updated: Tue, 06 Jan 2009 00:20:03 GMT