Pulmonary valvotomy in pulmonary atresia with hypoplastic right ventricle.
D006328:Cardiac Catheterization; D002648:Child; D002675:Child, Preschool; D006330:Heart Defects, Congenital / Q000601:surgery*; D006352:Heart Ventricles / Q000002:abnormalities*; D006439:Hemodynamics; D006801:Humans; D007223:Infant; D010690:Phlebography; D011664:Pulmonary Valve / Q000002:abnormalities* / Q000601:surgery