蛛网膜下腔出血(SAH)是常见的急性脑血管病,患者往往具有典型的三联征:剧烈头痛、脑膜刺激征、血性脑脊液,诊断并不困难。但临床上一些老年SAH其初发症状不典型,初诊时易误、漏诊。本文对本院1994年7月~2004年4月首诊为高血压病,后经确诊为SAH的13例临床资料作回顾性分析,现报 Subarachnoid hemorrhage (SAH) is a common acute cerebrovascular disease, patients often have a typical triad: severe headache, meningeal irritation, bloody cerebrospinal fluid, the diagnosis is not difficult. However, some of the elderly clinical onset of atypical initial symptoms of SAH, initial misdiagnosis, missed diagnosis. This article from July 1994 to April 2004 the first diagnosis of hypertension, and after the diagnosis of SAH for 13 cases of clinical data for retrospective analysis, the report