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专家建议酷暑季节室外作业者应“三补”防中暑
发布时间:2011-07-05      来源:中国新闻网
    重庆某报摄影记者3日在室外采访途中中暑,第二天,他苏醒后第一件事便向医生求助。对于像记者、交警、建筑工人、快递投递员等室外作业人员需要如何预防中暑呢,三军医大新桥医院急诊科主任史忠教授为室外作业人员支招:应对中暑应做好补水、补觉、补营养。

  据这位记者介绍,周六他晚上因采访任务一直工作到周日凌晨两点,周日中午又接到任务前往采访一次演习,下午在室外全程跟随拍照,头顶烈日两个小时候,终于体力不支出现头晕、恶心等中暑症状,后被同事送往医院治疗。

  史忠教授告诉笔者,高温影响下,人容易出现体温调节功能紊乱,特别是在气温高于35℃的环境中从事重体力活动,通风不良的情况下从事重体力活动,或者室内温度偏高而空气湿度过大时,容易导致中暑。

  由于夏季炎热,室外作业中人体大量出汗,水分挥发较多,因此预防中暑首先要做好补水,不能等渴了再喝水,那时身体已是缺水状态。史忠教授提醒,人体汗液挥发过程中会带走一些微量元素。因此,每天喝1.5至2升水淡盐水或低浓度葡萄糖水是最适宜的选择。

  这位专家还提醒,夏天日长夜短,气温高,人体新陈代谢旺盛,消耗也大,容易感到疲劳。充足的睡眠,可使大脑和身体各系统都得到放松,既利于工作和学习,也是预防中暑的措施。最佳就寝时间是22时至23时,最佳起床时间是5时30分至6时30分。睡眠时注意不要躺在空调的出风口和电风扇下,以免患上空调病和热伤风。

  此外,在膳食方面要补充足够的蛋白质、钾、镁等微量元素,如鱼、肉、蛋、奶和豆类。还特别需要适量增加能预防中暑的新鲜蔬果摄入,如哈密瓜、西红柿、西瓜、菠菜、红辣椒、苦瓜等。专家还特别提醒,由于人体局部的温度突然降低会影响到各系统功能的正常运行,在饮用冷饮时一定要适量。

  对于长期从事室外作业人员,最好随身配备防暑药(如藿香正气液、仁丹、十滴水、风油精等)以预防中暑。当发生中暑时,应立即将病人移到通风、阴凉、干燥的地方,打开电扇或空调尽快散热,用凉湿毛巾冷敷头部、腋下等处,并及时补充水和盐。情况严重者,应立即送医院抢救。

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