在野外旅行时,可能会遇到各种意外事故。下面介绍几种应急措施。毒蛇咬伤在野外如被毒蛇咬伤,患者会出现出血、局部红肿和疼痛等症状,严重时几小时内就会死亡。毒蛇咬伤后要迅速用布条、手帕、领带等将伤口上部扎紧,以防止蛇毒扩散。然后用消过毒的刀在伤口处划开一个长1厘米、深0.5厘米左右的切口,用嘴将毒液吸出。如口腔粘膜 When traveling in the wild, you may experience various types of accidents. Here are some emergency measures. Poisonous snake bites In the wild, if they are bitten by poisonous snakes, they may experience bleeding, localized irritation, pain and other symptoms. In severe cases, they may die within hours. After the snake bites quickly with cloth, handkerchiefs, ties and other wounds will be tightened to prevent the snake venom proliferation. Then use a sterile knife in the wound at a cut 1 cm long, about 0.5 cm deep incision, the venom will be sucked out. Such as oral mucosa