Ischemic limb gangrene can also come about in limbs with intact peripheral pulses as a result of thromboses from the microcirculation. Venous limb gangrene is one possible bring about the place micro thrombosis comes about in exactly the same limb being an acute huge-vein thrombosis, ordinarily in a hypercoagulable state. https://www.sgvascularctr.com/what-is-a-gangrene/