Transesophageal echocardiographic diagnosis of anomalous left coronary artery from the right aortic sinus.

Patients with anomalous left main coronary artery arising from the right sinus of Valsalva and coursing posteriorly between the aorta and the pulmonary artery are prone to sudden death. We present a patient with this entity in whom the diagnosis was made by transesophageal two-dimensional echocardiography and coronary angiography.