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Pulmonary valve atresia
- Congenital Heart Defects (National Library of Medicine)What are congenital heart defects? Congenital heart defects (CHDs) are problems with the structure of the heart. "Congenital" means that that the problems ...
- Heart Valve Diseases (National Library of Medicine)... well. Your heart has four valves: the tricuspid, pulmonary, mitral, and ... heart to the body. Atresia happens when a heart valve did not form ...