Saturday, May 25, 2013

Controlling bleeding: tourniquets and pressure

During first aid courses, we are often asked about tourniquets. Tourniquets are one way to stop severe uncontrolled bleeding, however, they are really a last resort. Generally, the first recommendation would be to diligently try to control the bleeding with direct pressure. Firm enough pressure will stop any bleeding, as long as it is firm enough and applied for long enough. Some bleeding is usually OK. It cleans out wounds. If the wound is severe, or the bleeding is prolonged, it becomes a problem. The first step in controlling a bleeding wound is to "plug the hole." Like moss on a rolling stone, blood will not coagulate when it's flowing. Regardless how severe, all bleeding can be controlled.. Most bleeding can be stopped before the ambulance arrives at the scene. While performing the steps for controlling bleeding, if it is severe enough, someone should also be calling for an ambulance to respond. The best way to stop it is to place pressure directly on the wound. Firm enough pressure will control any bleed. If gauze is available, it is preferred. Gauze pads hold the blood on the wound and help the components stick together and clot.. If you don't have gauze, any cloth will work almost as well. If the gauze or towel soaks through, add more on top Do not remove the gauze. Peeling a dressing off the wound removes vital clotting agents and encourages bleeding to resume.

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