What can be used to control bleeding?

Using a tourniquet is an effective method for controlling severe bleeding, particularly in situations where direct pressure is not sufficient to stop the flow of blood. A tourniquet works by applying pressure to a limb, restricting blood flow to the injured area. This is particularly useful for traumatic injuries where a major artery may be involved, leading to life-threatening blood loss.

Tourniquets are typically employed in emergency situations and should be used with caution, as improper application can lead to complications. However, when used correctly, a tourniquet can be a lifesaver in critical scenarios, making it a vital tool in first aid and emergency medical care.

In contrast, other methods like elevating the body can assist in controlling bleeding to some extent in less severe cases, but they are not as effective as a tourniquet for significant hemorrhage. Applying ice packs can help reduce swelling and provide pain relief, but it does not directly address bleeding. Resting the injured body part may help prevent further injury, but it won't effectively stop bleeding either. Thus, while all methods have their place in injury management, the use of a tourniquet is specifically tailored for rapidly controlling severe bleeding.