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How to make a tourniquet with a tie and a pen?
健康
We have about 5 liters of blood in the body. In case of a severe hemorrhage that cannot be stopped by compressing the wound with your hands, a tour- niquet must be performed. A tourniquet is a significant act that blocks the blood under the wound, it should not be done lightly.
这些信息不能替代医疗专业人员的意见。紧急情况下请拨打当地急救电话（欧洲为 112，法国为 15）。