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Anomalies of the cardio-pulmonary circuit compensated without a ductus arteriosus

, : Anomalies of the cardio-pulmonary circuit compensated without a ductus arteriosus. Anat Rec 90(3): 209-215

Blood circulation in a 14 months' old infant was anomalous in that the left ventricle was hypertrophied and the right was hypoplastic, with a 2-mm. interventricular foramen. There was no ductus arteriosus but the bronchial arteries from the aorta directly under the arch were large and anastomosed freely with the distal pulmonary arteries. Pulmonary blood returning entered both atria in equal amounts and there was a large foramen ovale. The systemic veins separated over the interatrial septum, the superior and azygos veins going to the left and the inferior vena cava and coronary sinus to the right. All other features of the circulation were essentially normal. Cyanotic membranes and clubbed fingers indicated anoxemia. Death was not caused by the anomalies but by pulmonary thrombosis.


DOI: 10.1002/ar.1090900305

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