A tourniquet is best to use to control life-threatening bleeding from a limb when direct pressure has failed.
Here's why and how to use a tourniquet effectively:
When to Use a Tourniquet
- Direct Pressure Fails: If applying continuous, direct pressure to the wound does not stop the bleeding, and the bleeding is severe.
- Life-Threatening Bleeding: Tourniquets are specifically for situations where the bleeding poses an immediate risk to life.
- Limb Bleeding: Tourniquets are designed for use on arms and legs (limbs).
How to Apply a Tourniquet
- Placement: Apply the tourniquet 2 to 3 inches (5 to 7.5 cm) above the bleeding site, on the limb. Do not place it directly on a joint (e.g., elbow or knee).
- Tighten: Tighten the tourniquet until the bleeding stops. If using a windlass tourniquet, twist the windlass until bleeding ceases and then secure it in place.
- Secure: Secure the tourniquet according to the manufacturer's instructions.
- Record Time: Write down the time the tourniquet was applied. This information is crucial for medical personnel. Affix this information to the tourniquet if possible.
- Do Not Loosen: Once applied, do not loosen or remove the tourniquet unless instructed to do so by medical professionals.
Important Considerations
- Training: Proper training in tourniquet application is highly recommended. Many organizations offer courses.
- Availability: Tourniquets should be readily available in first aid kits, especially in environments where serious injuries are possible.
- Medical Attention: A tourniquet is a temporary measure. Immediate medical attention is always necessary after a tourniquet has been applied.
While a tourniquet is the best option for stopping life-threatening limb bleeds when direct pressure is ineffective, remember it's a critical intervention and should be followed by immediate professional medical care.