COMPRESSION Of arteries may be done by direct pressure of thumb or finger, or some object such as a key or piece of wood answering the same purpose. Better still, in places where it may be used is the tourniquet which is the name given the appliance whether made of a piece of string or more elaborately made of rubber or manufactured webbing (see Figure A). The object is to shut off the supply of blood from the heart and the point chosen is nearest the surface where compression may be applied and as fax from the heart as possible.
The temporal artery may be felt and secured just in front of the upper inner attachment of the ear to the head (see Figure B).
The sub clavian artery, just above the collar bone along the outer half before it is attached to the shoulder blade as in Figure C.
The brachial artery, at the middle of the upper arm at the under side of the biceps muscle
The ulna artery, out of the front of the wrist just inside the ulna bone, which is the one on the little finger side (palm upwards).
The radial pulse, the most accessible vessel in the body, is on the
outer or radial or thumb side of the wrist between the prominent muscle tendon and the radial bone.
The femoral is at the extreme upper inner corner of the thigh.
The popliteal is at the under surface of the bend of the knee.
Figures D, E, F, G, and H show different kinds of tourniquets and how used; figure D, for example, shows a tourniquet made by folding a handkerchief and tying it into a knot, the knot being placed over the artery, the handkerchief tied around the limb and then twisted as in cut. This presses the knot against the artery and stops the flow of blood. Figure E shows the band tourniquet; F the screw tourniquet applied; G and H show the improvised tourniquet applied to the arm or thigh.
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copyright 2005, J. Crow Company, New Ipswich NH 03071