Hemostasis hemostasis is a simple and effective method for hemostasis in the emergency treatment of limbs and hemorrhage. It stops bleeding by compressing blood vessels to achieve hemostasis. However, if used improperly or for too long, the tourniquet can cause ischemia and necrosis of the distal limb, resulting in disability. For this reason, the tourniquet can only be applied when the bleeding is severe and the blood cannot be stopped by other methods.
The tourniquet is preferably a rubber band or a rubber tube. It is not advisable to use an inelastic tape such as a tape or a wire. The ligature position should be above the wound (near the heart) and as close as possible to the wound. The upper 1/3 of the upper arm and the upper middle part of the thigh are good. The calf and forearm cannot be on the tourniquet because there are two bones and the blood vessels are just right. Walking between the two bones, the upper tourniquet does not act to compress the blood vessels. The middle third of the upper arm can also not stop the blood band, because it may cause nerve damage and cause arm paralysis.