What is one indication for tourniquet replacement?

A tourniquet should be replaced if it is applied over the uniform because an effective tourniquet needs direct contact with the skin to ensure proper compression of the blood vessels and prevent arterial blood flow. If the tourniquet is over clothing, it may not exert sufficient pressure to occlude blood flow effectively, which would risk inadequate control of hemorrhage.

In contrast, minor limb injuries do not typically necessitate a tourniquet, as they can usually be managed with direct pressure and other methods. Stable vital signs suggest that a patient is not in immediate distress and may not require a tourniquet at all. Moreover, a tourniquet left on for less than one hour would generally be considered safe, as it is often manageable for up to two hours, depending on the circumstances. Thus, applying a tourniquet over the uniform is a clear indication that it should be replaced to ensure effective hemostatic control.