You are treating a patient whose left hand was caught in the power takeoff on a piece of farm equipment. His hand is mangled extensively. You have applied direct pressure and elevated the arm, but it continues to bleed. How should you stop the circulation to this extremity?
◦ Continue to apply pressure.
◦ Use a pressure point.
◦ Apply a tourniquet.
◦ Have him lie on his right side and continue to elevate the left arm.