暑假又是旅游季节,虽然天气炎热,但学校放假,一家几口,外出旅游散心,倒也乐趣无穷。只是盛夏出门,谨防中暑。中暑可分为热辐射中暑与日射中暑。当人体受热,体内产生大量热而不能及时散发时,就可能引起热辐射中暑。这时人会感到头痛、乏力、恶心、呕吐、出汗、体温升高、瞳孔放大、呼吸和脉搏加速,严重时,意识不清,昏厥,四肢抽搐,皮肤由红变白,体温不断升高,甚至因呼吸中枢麻痹而完 Summer is the tourist season, although the weather is hot, but the school holiday, a few mouthfuls, go travel and relax, it is also fun. Just go out in summer, beware of stroke. Heat stroke can be divided into heat stroke and sun exposure heat stroke. When the human body is heated, the body produces a lot of heat and can not be distributed in time, it may cause heat radiation stroke. At this time people will feel headache, fatigue, nausea, vomiting, sweating, body temperature, pupil enlargement, breathing and pulse acceleration, serious, unconsciousness, fainting, limbs convulsions, skin reddish white, body temperature rising , Even as a result of paralysis of the respiratory center