Tourniquet

A tourniquet is generally reserved for severe, life-threatening bleeding from an arm or leg that cannot be controlled by direct pressure alone. Common signs of life-threatening bleeding include blood that is spurting, pooling, or rapidly soaking through bandages.

Whenever possible, use a commercially manufactured tourniquet designed for medical use rather than an improvised one. Tourniquet

To gain the skills needed to use a tourniquet safely and effectively, consider taking a "Stop the Bleed" or first aid course. Organizations like the American Red Cross and the American College of Surgeons offer training programs that teach bystanders how to become immediate responders in a bleeding emergency. Tourniquet