14-10PROCEDURE STEPSDirect pressureIn most cases, bleeding can be stopped by the application of pressure directly on thewound.Place a dressing (sterile or clean, if possible) over the wound and firmly fasten it inposition with a bandage.If bleeding doesn’t stop, firmly secure another dressing over the first, or apply directpressure with your hand to the dressing (fig. 14-10).In cases of severe hemorrhage, don’t worry too much about the danger of infection.The basic problem is to stop the flow of blood. If no material is available, simply placeyour hand firmly on the wound. Remember, direct pressure is the first method to usewhen you are trying to control hemorrhage.Pressure pointsBleeding from a cut artery or vein may often be controlled by applying pressure to theappropriate pressure point. A pressure point is a place where the main artery to the injured partlies near the skin surface and over a bone. Pressure at such a point is applied with the fingers(digital pressure) or with the hand; no first-aid materials are required. The object of thepressure is to compress the artery against the bone, shutting off the flow of blood from theheart to the wound. There are 10 principal points (fig. 14-11) on each side of the body wherehand or finger pressure can be used to stop hemorrhage. You should memorize these pressurepoints so that you will know immediately which point to use for hemorrhage from a particularpart of the body. The correct pressure point you should use is the one that is—1. Nearest the wound.2. Between the wound and the main part of the body, or between the wound and the heart.Applying finger pressure is very tiring, and it can seldom be maintained for more than 15minutes. Pressure points are recommended for use while direct pressure is being applied to aserious wound. While pressure is being applied at the appropriate pressure point, an assistantcan bandage the wound (or wounds). If available, a battle dressing should be used. Afteropening the dressing, be careful not to contaminate it. Place the compress portion over thewound, then bind it tightly in place with the attached straps (fig. 14-12). If bleeding continuesto be severe even after direct pressure and pressure points have been used, you may have toapply a constricting band.Constricting bandA constricting band is a band used to cut off the supply of blood to an injured limb. Itcan’t be used to control bleeding from the head, neck, or body because its use in theselocations would result in greater injury or death. Only use a constricting band whenhemorrhage can’t be controlled by other means.A constricting band consists of a pad, a band, and a device for tightening the band so thatthe blood vessels will be compressed. There are several different kinds of ready-madeconstricting bands. A variety of materials can be used to improvise constricting bands. Anyround, smooth pressure object may be used for the pad (such as a compress, a roller bandage, astone, or a rifle shell), and any long, flat material may be used as the band. Remember, theband must be flat! Belts, stockings, flat strips of rubber, or neckerchiefs can be used; but rope,wire, string, or very narrow pieces of cloth shouldn’t be used because they will cut into theflesh. A short stick may be used to twist the band, tightening the constricting band.
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