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。头痛有时伴有恶心、呕吐和短暂的意识丧失。

出血通常是由于脑部血管(动脉瘤)异常膨胀破裂所致。有时出血是由创伤、脑部血管异常缠结(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。

在 Mayo Clinic 治疗

Jan. 13, 2021
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