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