What is the correct procedure for using a tourniquet?

The correct procedure for using a tourniquet is to limit its use to a maximum of 10 minutes. This is essential because prolonged application can lead to complications such as tissue damage or hemoconcentration, which can affect test results and lead to potential harm to the patient. By adhering to this time limit, phlebotomists can minimize these risks while still effectively locating a vein for venipuncture.

Other choices do not align with best practices. For instance, applying the tourniquet as tightly as possible can restrict blood flow too much, increasing the risk of pain and complications for the patient. In addition, while it is a good practice to ensure hygiene, reusing a tourniquet can increase the risk of cross-contamination, but it is not strictly required to use a new one with each patient as long as proper disinfection measures are in place. Finally, applying a tourniquet above the elbow is often acceptable, especially in cases where veins in the forearm are difficult to access, depending on the individual’s anatomy and condition.