<prompt> Which of the following is not true for diagnosis of gas gangrene?Pain out of propoion to necrotic tissueHyperbaric oxygen is best treatmentExtensive surgical debridementGas visible on radiograph  <response>: Gas Gangrene: MC organism involved: Clostridium PerferingesWelchii --myonecrosis and rapid spread of infections. The gas in the tissue cause crepitus. Surgical Debridement is done. Hyperbaric O2 is SOMETIMES used in the treatment of the wound. 