Frostbite - Stages Of Frostbite, Treatment For Frostbite
blood body tissues cold
Frostbite is the freezing of tissues. It occurs when body parts, most commonly the fingers, toes, and the tips of ears and the nose, are exposed for long periods to the cold. Frostbite is a direct result of limited blood circulation. The blood is the body's internal heating system; it carries heat to the body tissues. But prolonged exposure to the cold can constrict blood vessels, causing blood circulation within tissues to slow down. When tissues are deprived of the warmth of circulating blood, ice crystals can then form, leading to tissue death and loss of the affected body parts.
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There are three degrees, or stages, of frostbite: frostnip, superficial frostbite, and deep frostbite. Frostnip is the least serious form of frostbite; deep frostbite the most serious. If frostnip goes untreated, it can quickly progress to the more serious forms. Recognizing and treating the first signs of frostnip may prevent the development of the more serious forms of frostbite. Frostnip is the…
People with superficial or deep frostbite should be taken to the hospital immediately. If transport to a hospital is delayed, the following measures can be taken to prevent further injury: Most experts advise people not to rewarm or thaw frostbitten areas themselves. If thawing is not done properly, serious consequences such as loss of the affected area can result. For instance, thawing a frostbit…
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