Endocardial cushion defects: embryology, anatomy, and angiography.

Received September 28, 1 979; accepted after revision August 1 1 , 1980. Presented at the annual meeting of the Radiological Society of North America. Chicago, November 1978. Department of Radiology, Children’s Hospital Medical Center, Elland & Bethesda Ave., Cincinnati. OH 45229. Address reprint requests to R. Towbin. 2Division of Cardiology, Children’s Hospital Medical Center, Cincinnati, OH 45229. 157