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破伤风的起病时间及临床表现

来源:华人健康网 | 发布时间:2010-09-03 10:53:44 | www.chinesejk.com

  破伤风一般在细菌入侵后1—2周开始出现症状(极少数人有短至24小时或长达几个月才出现症状的)。

  一般在伤后6~10天发病,也有伤后24小时或数周后才发病的。

  发病时间短,症状越严重,病人的危险性也就越大。起初先有乏力、头晕、头痛、烦躁不安、打呵欠等前驱症状。接着可出现强烈能的肌肉收缩。首先是面部肌肉开始,张口困难、牙关紧闭;表情肌痉挛,病人出现“苦笑”面容;背部肌肉痉挛,头后仰出现所谓的“角弓反张”;如发生呼吸肌或喷痉挛,可造成呼吸停止,病人窒息死亡。

  这种全身肌肉痉挛持续几分钟不等,间隔一段时间又反复发作。任何轻微的刺激如光线、声响、说话、吹风均可诱发。

(编辑:小鱼 )

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