There are a number of methods that can be used to stop bleeding and they all have one thing in common—compressing a bleeding blood vessel in order to stop the bleeding.
Apply direct pressure on the wound (Cover the wound with a clean cloth and apply pressure by pushing directly on it with both hands)
For life-threatening bleeding from an arm or leg and a tourniquet is NOT available OR for bleeding from the neck, shoulder or groin:
For life-threatening bleeding from an arm or leg and a tourniquet is available:
Note: A tourniquet will cause pain but it is necessary to stop life-threatening bleeding. Pons PT, Jacobs L. Save a life: What everyone should know to stop bleeding after an injury. Chicago, IL: American College of Surgeons; 2016.