Figure 6From: A systematic approach to performing a comprehensive transesophageal echocardiogram. A call to order Imaging plane 0°, (A) The left atrial appendage (LAA) and the left upper pulmonary vein (LUPV). Pulse wave Doppler of the LAA demonstrating low emptying velocities in a patient with (B) permanent atrial fibrillation and (C) sinus rhythm. (D) Pulse wave Doppler of the LUPV demonstrating a normal flow pattern.Back to article page