First, the groin is injected with an area anesthetic which numbs the world, then a catheter is placed into an artery from the groin and directed in the aorta. Contrast dye is injected in the aorta, aneurysm, and blood vessels branching off in the aorta, which provides the vascular surgeon https://www.sgvascularctr.com/abdominal-aortic-aneurysm-treatment-in-singapore-a-comprehensive-guide/