1st, the groin is injected with a local anesthetic which numbs the region, then a catheter is placed into an artery in the groin and directed in the aorta. Distinction dye is injected into your 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/