Burns are caused by flames, steam, hot liquids, electric currents, chemicals, etc., which are greatly reduced as people's safety awareness and product safety are improved. However, it is still inevitable in daily life and production labor. occur. The estimation of burn depth is generally performed by three-degree and four-point methods, namely, first degree burn, second degree burn (shallow second degree burn, deep second degree burn) and third degree burn. Severe burns not only damage the skin, but also reach muscles, bones and even internal organs. The first-aid principle of burns is to quickly get rid of the source of fire or other sources of injury, protect the wounds, and refer to the doctor as soon as possible.
Deep burn performance:
First-aid burn in burns: manifested as red, swollen, hot, painful, allergic, and no-water bubbles in the injured area;
Shallow second degree burns: manifested as severe pain in the skin of the injured area, hypersensitivity, blisters, thin foam, clear liquid; after rupture of the blisters, the wounds are rosy and edema;
Deep second degree burn: manifested as painful and painful skin pain, with or without water bubbles, small blisters, pale base, red spots between them; pain can be felt when plucking;
Third degree burns: skin feels disappear, inelastic, dry, waterless, waxy, yellowed or carbonized; no pain when plucking.
Judgment of burn area: The area of the palm of the injured person is about 1% of the surface area of the human body. It can be estimated from the standard. If the burn area of adults exceeds 10% and the children exceed 5%, they should be hospitalized to avoid shock and life-threatening.
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