Angiogram. This is often an X-ray of the arteries and veins to find blockage or narrowing. This process is done by Placing a thin, flexible tube into an artery during the leg and injecting a contrast dye. The contrast dye would make the arteries and veins obvious on the X-ray. tips https://peripheral-arterry-diseas89001.iamthewiki.com/8686879/the_greatest_guide_to_gangrene