Neonatal asphyxia and functional tricuspid atresia.

murmur was present. The breath sounds were poor and bowel sounds were audible in the left chest. The abdomen was scaphoid and the liver was not palpable. There was hypoplasia of the left arm and hand with a contracture of the left axilla. Chest roentgenogram revealed the presence of the liver and bowel loops in the left chest. The baby was intubated and placed on a respirator in 100 percent 02. The pH was 6.6, Po2 was 20, and the Pco2 was 85 mm Hg. The baby was treated with trishydroxyaminomethane (THAM). At operation, a left-sided foramen of Bochdalek hernia and hypoplasia of the left lung were found. The hernia was reduced and the diaphragmic defect repaired. The patient remained severely hypoxic and acidotic despite maximal yentilatory pressures, 100 percent oxygen, and therapy with THAM. In an attempt to decrease the pulmonary vascular resistance, the patient was brought to the cardiac catheterization laboratory for infusion of tolazoline into the pulmonary artery. A French No.