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角弓反张

角弓反张
角弓反张,图为感染破伤风患者。查尔斯.贝尔1809年绘
类型痉挛muscle symptom[*]
病因破伤风
分类和外部资源
ICD-11MB47.B
ICD-9-CM781.0
DiseasesDB31293
MedlinePlus[1]
[编辑此条目的维基数据]

角弓反张(Opisthotonus)是指项背强直,身体向后反折如弓状的临床表现;这种极端的拱形姿势是一种锥体外系反应,由沿脊柱的中轴骨骼肌痉挛引起的。

病因

急性症状可由番木鳖碱毒素、破伤风啡噻肼中毒等引起。 慢性或复发性发作可因癫痫、僵硬人症候群、歇斯底里等引起。 若患者有发烧可能由脑膜炎引起。

参考

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角弓反张
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