Aneurysm: An abnormal bulge in the wall of an artery, which can lead to rupture or thrombosis. Arteriovenous Fistula (AVF): A connection created between an artery and a vein, often used for ...

2). A large fusiform aneurysm was found, beginning just distal to the aortic valve and ending just proximal to the innominate artery. The arch was slightly dilated, and the left subclavian artery ...