Overview

tourniquet


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n. a device to press upon an artery and prevent flow of blood through it, usually a cord, rubber tube, or tight bandage bound around a limb. Tourniquets are no longer recommended as a first-aid measure to stop bleeding from a wound because of the danger of reducing the supply of oxygen to other tissues (direct pressure on the wound itself is considered less harmful). However, a temporary tourniquet to increase the distension of veins when a sample of blood is being taken does no harm.

Subjects: Medicine and Health.


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