What is a proper method of marking a casualty after applying an improvised tourniquet?

Marking a casualty with a "T" and the time of application on the skin is a crucial step after applying an improvised tourniquet. This practice serves several important purposes in a combat or emergency medical situation.

First, marking the skin with a "T" clearly indicates that a tourniquet has been applied and provides vital information to other medical responders who may encounter the casualty later. This can prevent unnecessary further application of a tourniquet, which could cause additional injury or complications if done repeatedly or incorrectly.

Second, including the time of application is essential for medical personnel to assess the duration that the tourniquet has been in place. Tourniquets can cause tissue damage if left on for extended periods, so knowing the exact time helps responders make informed decisions about future treatment options.

While other options may offer some form of identification or marking, they lack the clarity and critical information that is necessary for ensuring the best possible care for the casualty. Therefore, marking the skin with the "T" and time of application is not only a best practice but also aligns with protocols that prioritize the wellbeing of the injured person.