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Pulmonary atresia

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Pulmonary atresia
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Pulmonary atresia

Pulmonary atresia is a form of heart disease in which the pulmonary valve does not form properly. It is present from birth (congenital heart disease). The pulmonary valve is an opening on the right side of the heart that regulates blood flow from the right ventricle (right side pumping chamber) to the lungs.


In pulmonary atresia, a solid sheet of tissue forms where the valve opening should be, and the valve stays closed. Because of this defect, blood from the right side of the heart cannot go to the lungs to pick up oxygen.

https://medlineplus.gov
Pulmonary atresia

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