RICHARD P. JOHNSON
An important cause of increased pulmonary blood flow is anomalous veins. This is a congenital malformation in which one or more or, less commonly, all of the pulmonary veins empty into the right side of the heart. The drainage may be directly into the right atrium or, more often, into the superior vena cava or the left innominate vein. Less frequent sites of anomalous drainage include the inferior vena cava, vena azygos, left superior vena cava, left subclavian vein, coronary sinus, ductus venosus, portal vein or lymphatic duct. In a series of 100 cardiac catheterizations at Brooke Army Hospital over
JOHNSON RP. ANOMALOUS PULMONARY VEINS: REPORT OF NINE CASES1. Ann Intern Med. ;42:11–25. doi: 10.7326/0003-4819-42-1-11
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Published: Ann Intern Med. 1955;42(1):11-25.
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