Treatment of Frostbite is
|A||Rewarming & immersing the frozen extremity for several minutes in a moving water bath heated to 40-42°C|
|B||Immersing the part into ice|
|C||Rewarming & immersing the frozen part into bath at temperature 100° C|
|D||Dry heating of the part for several minutes|
Frostbite is defined as the acute freezing of tissues.
Frostbite severity is related to the duration of exposure and to the temperature gradient at the skin surface.
Severe hypothermia primarily affects the vasculature as the blood vessels become severely injured by a combination of direct cellular injury and microvascular thrombosis.
a. First-degree injury involves the freezing of tissue with hyperemia and edema but without blistering.
b. Second-degree frostbite involves the freezing of tissue with hyperemia, edema, and characteristic large, clear blisters.
c. Third-degree frostbite involves the freezing of tissue with the death of subcutaneous tissues and skin, resulting in hemorrhagic vesicles that are generally smaller than those seen in second-degree frostbite.
d. Fourth-degree frostbite is notable for tissue necrosis, gangrene, and, eventually, full-thickness tissue loss.
e. Frostbitten tissue should be immersed in a large water bath of 40Â° to 42Â° C (104Â° to 108Â° F).