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The wound is initially cleaned, debrided and observed, typically 4 or 5 days before closure. The wound is purposely left open. Examples: healing of wounds by use of tissue grafts. If the wound edges are not reapproximated immediately, delayed primary wound healing transpires. This type of healing may be desired in the case of contaminated wounds.
Secondary blast wounds may be lethal and therefore many anti-personnel explosive devices are designed to generate fast-flying fragments. Most casualties are caused by secondary injuries as shrapnels generally affect a larger area than the primary blast area, because debris can easily be propelled for hundreds or even thousands of meters.
The International Red Cross wound classification system is a system whereby certain features of a wound are scored: the size of the skin wound(s); whether there is a cavity, fracture or vital structure injured; the presence or absence of metallic foreign bodies. A numerical value is given to each feature (E, X, C, F, V, and M).
The end goal of wound management is closure of the wound which can be achieved by primary closure, delayed primary closure, or healing by secondary intention, each of which is discussed below. Pain control is a mainstay of wound management, as wound evaluation, wound cleansing, and dressing changes can be a painful process.
Chronic wound healing may be compromised by coexisting underlying conditions, such as venous valve backflow, peripheral vascular disease, uncontrolled edema and diabetes mellitus. If wound pain is not assessed and documented it may be ignored and/or not addressed properly. It is important to remember that increased wound pain may be an ...
Common wound types include gunshots to the extremities. A person may achieve a similar effect by deliberately neglecting their health, e.g., by letting a minor wound become infected, or foregoing foot care in damp environments to trigger the development of diseases like trench foot and tropical ulcers, which are debilitating but not usually fatal or permanent if treated properly.
There are many causes of major trauma, blunt and penetrating, including falls, motor vehicle collisions, stabbing wounds, and gunshot wounds. Depending on the severity of injury, quickness of management, and transportation to an appropriate medical facility (called a trauma center) may be necessary to prevent loss of life or limb. The initial ...
Different regions in the brain may be more sensitive to mechanical loading due to differences in their properties that result from differences in their makeup; for example, myelinated tissues may have different properties than other tissues. [8] Thus some tissues may experience more force and be more injured in the primary injury. [8]