Pulmonary Atresia |
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| Atresia, Pulmonary Valve; Atresias, Pulmonary; Atresias, Pulmonary Valve; Pulmonary Atresias; Pulmonary Valve Atresias; Valve Atresia, Pulmonary; Valve Atresias, Pulmonary | |
| Congenital absence of the normal valvular orifice into the pulmonary artery. This condition is characterized by cardiomegaly, reduced pulmonary vascularity, and right ventricular atrophy. (From Stedman, 25th ed; Dorland, 27th ed) | |