Ischemic limb gangrene may additionally occur in limbs with intact peripheral pulses as a consequence of thromboses while in the microcirculation. Venous limb gangrene is just one achievable trigger where micro thrombosis occurs in precisely the same limb as an acute big-vein thrombosis, typically in the hypercoagulable state. Traumatic harm. https://www.sgvascularctr.com/what-is-a-gangrene/