Fig. 4From: Detection of inadvertent passage of guide wire into the false lumen during thoracic endovascular aortic repair of Type B aortic dissection by transesophageal echocardiography a Contrast images of the descending aorta. True lumen injection, showing superior mesenteric artery (red arrow) and left renal artery (red arrowhead). Pigtail now pushed into chest to be followed by Transesophageal echocardiography. b Contrast images of the descending aorta. False lumen injection, showing right renal artery (red asterix). Requires catheter withdrawal and cannulation of true lumenBack to article page