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中暑衰竭体征

来源:华人健康网 | 发布时间:2010-07-26 08:55:19 | www.chinesejk.com

  过多的出汗但未及时补充液体而可引起中暑衰竭伴疲乏 虚弱和焦虑。接着发生循环虚脱可见缓慢而纤细的脉搏;血压低而不易测知;皮肤冷而苍白,黏腻,精神障碍,继之出现休克样神志不清。核心体温在38.3~40.6℃之间。长时间站立于高温环境促发的轻度中暑衰竭(因血液淤积于热扩张的下肢血管)的症状为亚正常体温和单纯性昏厥。

  引起循环虚脱的中暑衰竭比中暑更难与胰岛素休克中毒,出血或外伤性休克相区别。通常有高温环境暴露史,缺乏液体的补充,无其他可见的原因以及对治疗的反应可作为诊断的足够依据。除非长时间循环衰竭,中暑衰竭通常是短暂的,预后也是好的。

(编辑:小珊 )

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