回顾总结我院误诊的非典型老年蛛网膜下腔出血(SAH)者38例,对误诊类型、误诊原因及防范措施进行分析。 1.临床资料:本组38例,均为近16年我院收治的老年非典型SAH患者,占同期286例SAH的13.3％。其中男性23例,女性15例。年龄61～79岁,平均66.5岁。活动状态下发病者25例,安静状态下发病者13例。急性起病22例, Review retrospectively 38 cases of atypical paroxysmal subarachnoid hemorrhage (SAH) misdiagnosed in our hospital, and analyze the types of misdiagnosis, causes of misdiagnosis and preventive measures. 1. Clinical data: 38 cases in this group, all of whom were elderly atypical SAH treated in our hospital for nearly 16 years, accounting for 13.3% of 286 SAH in the same period. Including 23 males and 15 females. Age 61 ~ 79 years old, average 66.5 years old. Activities in the incidence of 25 cases, the quiet state of onset in 13 cases. Acute onset in 22 cases,