On Bodily Examination, patients with ischemic gangrene could have rubor with the afflicted extremity when dependent, and early pallor with elevation. Capillary refill will be lowered, and there might be a loss of overlying hair. Ankle pulses are routinely absent. The situation of tissue decline might help identify the cause; https://www.sgvascularctr.com/what-is-a-gangrene/