Primary angioplasty of an anomalous left main coronary artery: diagnostic and technical considerations.

In this case of primary angioplasty of an anomalous left main coronary artery, a method of identifying the course of these vessels is reviewed. Unique electrocardiographic findings relative to left main occlusion, aiding in suspecting this anomaly before angiographic study, are presented and the technical approach to revascularization is discussed.