Transesophageal Echocardiographic Recognition of a Fistula Between a Coronary Artery and the Left Atrium

A 58-year-old woman with a prosthetic mitral valve and an anomalous single coronary artery received transesophageal echocardiography and was found to have a coronary artery—to—left atrium fistula. Because of its superior imaging quality, transesophageal color Doppler method is a useful diagnostic procedure.