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November 1959

Radiologic Features of Isolated Ventricular Septal Defects

Author Affiliations

Houston, Texas
From the Department of Radiology and the Cardiac Clinic, Texas Children's Hospital, and the Cora and Webb Mading Department of Surgery, Baylor University College of Medicine.

AMA Arch Surg. 1959;79(5):715-723. doi:10.1001/archsurg.1959.04320110017003

The roentgenologic features of isolated ventricular septal defects depend upon size of the defect, amount of pulmonary resistance, and resulting direction and degree of the shunt. Fluoroscopy is indispensable in evaluating the physiologic alterations in all forms of congenital heart disease and should be a part of the radiologic evaluation of ventricular septal defects. Routine chest roentgenograms, including posteroanterior and right and left oblique with radiopaque contrast material in the esophagus, are equally important not only in determining the anatomical alterations but also in serving as a permanent record for comparison with subsequent studies. There are no pathognomonic radiographic characteristics of ventricular septal defects, but certain distinguishing features should be recognized. Because the alteration in cardiac configuration in ventricular septal defects as well as in other types of congenital heart disease is dependent upon pressure changes, we have devised the following classification in which the radiologic features are correlated with