概述
蛛网膜下腔出血是指大脑和周围膜(蛛网膜下腔)之间的间隙出血。主要症状是突发的剧烈头痛。有些人描述说,这是他们经历过的最严重的头痛。除了头痛,有些人可能会出现:
出血通常是由于脑血管中的异常隆起(动脉瘤)破裂所致。有时出血是由创伤、脑部血管缠结(脑动静脉畸形)或其他血管或健康问题引起的。
如果不治疗,蛛网膜下腔出血可能导致永久性脑损伤或死亡。
Aug. 31, 2022
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