Fig. 2From: Acute hypoxemia due to right-to-left shunt via a patent foramen ovale during left internal thoracic artery to left anterior descending artery anastomosis in off-pump coronary artery bypass grafting: a case reportIntraoperative transesophageal echocardiography: aortic valve short axis view. An atrial septal aneurysm with a 10-mm deviation of the atrial septal tissue into the left atrium (arrowhead)Back to article page