For dry gangrene, vascular surgeons often do angiography (a radiologic analyze with dye that displays arterial blood move in tissues, also termed arteriogram) to begin to see the extent of ongoing or prospective arterial blood loss to tissue. Gangrene often turns the afflicted skin a greenish-black coloration. The term gangrene is http://www.sgvascularctr.com/what-is-a-gangrene/