This condition occurs in a traumatized muscle which leads to edema and spreading of the gangrene by releasing of proteases and alpha toxins. This is caused by a gram positive bacteria called clostridium perfringes, note that this bacteria can also cause food poisoning. Clinical features are pain, fever, crepitus, tachycardia, thin foul brown discharge, renal failure, and skin discoloration. Diagnosis is by culture to detect the causative organism, and X-Ray that will show gas in the tissue. Treatment is amputation with antibiotics given before the procedure.