Ischemic limb gangrene may come about in limbs with intact peripheral pulses because of thromboses while in the microcirculation. Venous limb gangrene is just one possible bring about in which micro thrombosis comes about in the exact same limb as an acute huge-vein thrombosis, typically inside of a hypercoagulable condition. https://www.sgvascularctr.com/what-is-a-gangrene/