Coronary artery air embolism following pulmonary valvotomy for pulmonary atresia: a note of caution.

A case of coronary artery air embolism following open pulmonary valvotomy for pulmonary atresia with intact ventricular septum is reported. The presumptive source of this complication is a fistulous communication between the coronary artery and right ventricle, and may be preventable by certain modifications in technique.