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