Fig. 4From: 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 reportDoppler image of aortic valve short axis view on transesophageal echocardiography. A marked right-to-left shunt through the patent foramen ovaleBack to article page