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中国7亿人遭高温“烧烤” 局地体感温度超50℃

2016-07-27 06:26:26   中国新闻网

资料图谷华摄

部分地区用电负荷破纪录电力供应吃紧

持续的高温天气让不少地区的电网用电负荷打破纪录。

24日,安徽合肥电网最大负荷已达517.14万千瓦,今年首创历史新高。25日,电网负荷继续攀升至553.2万千瓦,连续两日打破历史纪录。

目前合肥供电公司已启动电网运行和配抢指挥应急预案,消除隐患,增派抢修人员力量,强化24小时应急值班制度,快速响应。

江苏方面,25日13时10分,全省最大调度用电负荷突破9000万千瓦大关,达到9238万千瓦,创历史新高。江苏全省13个地市中,除连云港外,其余12个地市用电负荷均创了历史新高。

山东省从23日到25日,电网全网最高负荷连续三天创下历史新高,25日达到6838.6万千瓦。有关部门已组织启动有序用电措施,部分高耗能行业被“限电”。

多地出现热射病死亡病例高温作业人员需警惕

高温天气不仅让电网吃不消,民众的身体健康也受到了影响。近期多地接连曝出高温天气致人死亡消息,让人着实捏把汗。

据不完全统计,截至25日中午,江苏累积报告中暑病例超过120例,危重症病例近20例。其中最多的是南京,有70多例,仅一例重症;镇江地区危重病例最多,达到11例;另外苏州、盐城、南通等都有危重或者濒临死亡病例报告。因中暑导致死亡的,除镇江外,盐城和张家港各有一例。

另外,安徽、上海等地也均出现热射病死亡病例。

首都医科大学附属北京朝阳医院急诊科副主任医师王军宇接受中新网(微信公众号:cns2012)记者采访时表示,热射病其实是重症中暑,是人体由于暴露在高温高湿环境中,导致机体核心温度迅速升高,超过40℃,伴有皮肤灼热、意识障碍等多器官系统损伤的严重临床综合征。

热射病发病与3个环境因素密切相关,即高温、高湿、无风环境。所以长时间暴露在高温下的工作人员容易出现热射病。

“一旦出现中暑症状,首先要将患者转移到阴凉的地方,加强空气流通,同时让患者及时补充水分以缓解症状。一旦患者出现意识不清、抽搐等症状时,一定要及时送医,不可自行处理,以免延误病情。”王军宇强调。

记者了解到,除了热射病,近期因高温引起的心脑血管和呼吸系统等疾病的发病率也呈上升趋势。

王军宇告诉记者,以其所在的科室为例,最近一周,患有上述疾病病人就诊的数量大约上升10%到20%左右,以中老年群体为主。

防暑降温小贴士:高温天气多补水切忌贪凉

多地“高温烧烤”模式开启,普通民众日常出行又应当采取哪些应对措施?

对此王军宇建议,首先,市民要尽量减少外出,特别是中午时段,外出时最好备上遮阳伞等物品,做好防暑降温准备。

另外,民众特别是有心血管疾病的中老年人群,一定要及时补充水分,日常多饮用白开水,当大量排汗时可以补充淡盐水。

“高温天气,老年人如果补水不足很容易导致血液浓缩,从而诱发心梗、脑梗,另外,闷热天气里,空气流通不畅,有呼吸系统疾病的患者也更易发病。因此这些人群要格外小心。”王军宇表示。

但他也提醒,高温天气切忌贪凉,因为过多饮用冷饮反而会加重肠道的刺激,损害人体健康。(完)

责任编辑:孙启浩 cn037
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