Abstract
Right coronary arterial occlusion occurred during or after retrograde left ventricular catheterization and angiocardiography in a 55 year old woman with chronic rheumatic heart disease. Ventricular fibrillation developed eight hours later, and she could not be resuscitated. Necropsy showed the occlusion to be due to subintimal hemorrhage at the site of a small atheromatous plaque near the origin of the artery, with dark red thrombus beyond the intimai lesion. The fatal lesion was ascribed to intimai trauma caused by the tip of a Gensini catheter seen to enter the artery during the early stages of the investigation. Eleven other major nonfatal complications were encountered during 97 retrograde catheterizations for left ventricular angiocardiography.
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