What is one method to control bleeding in extremity trauma?

The correct method to control bleeding in extremity trauma involves applying direct pressure or using a tourniquet. Direct pressure is the first-line approach for controlling bleeding, as it helps to compress the blood vessels and reduce blood flow to the area. By applying firm pressure over the wound, you can effectively minimize or stop the bleeding.

In cases where direct pressure alone is not sufficient, especially in situations where the bleeding is severe or life-threatening, a tourniquet is indicated. A tourniquet is a device that is tightened around the limb to compress the arteries and stop blood flow, making it a vital option in managing severe extremity hemorrhage. This method is particularly important in emergencies where quick intervention can prevent severe blood loss and potential shock.

While other methods like elevation, application of ice, or heat might provide some benefits in managing pain or swelling, they are not primary methods for controlling active bleeding. Elevation of the limb can help to slow bleeding, but it is inadequate as a standalone treatment for serious bleeding. Likewise, applying heat or ice does not effectively control bleeding and can even worsen bleeding in certain scenarios. Therefore, the application of direct pressure or a tourniquet is the most effective and appropriate choice for controlling bleeding in extremity trauma.