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Old 09-18-2011, 04:56 PM   #1
kxlfc1638
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Default 高温天气将至八类人群易中暑

  中暑原因有三
中暑是人体在高温和热辐射的长时间作用下,机体体温调节出现障碍,水、电解质代谢紊乱及神经系统功能损害症 状的总称,是热平衡机能紊乱而发生的一种急症。可以分成三种:
一种是在闷热的房间里容易出现的热射病。病人会感觉到头痛、头晕、口渴,然后体温迅速升高、脉搏加快、面部 发红,甚至昏迷,ad健腹机
第二种是日射病。如果人们在烈日下活动或停留时间过长,水宜生s520,直接在烈日的曝晒下,强烈的日光穿透头部皮肤及颅骨引起脑细胞受损,光波炉,就会造成脑组织的充血、水肿。
由于受到伤害的主要是头部,所以,最开始只有头部温度增加,高的时候可以达到39℃以上,然后有剧烈头痛、 恶心呕吐、烦躁不安,继而可出现昏迷及抽搐,但体温不一定升高。
第三种叫热痉挛。人在高温环境中,ad收腹运动机官网,身体会大量出汗,丢失大量盐分,使血液中的钠含量过低,引起腿部甚至四肢及全身肌肉痉挛。
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