1　临床资料1.1　诊断标准　头痛、呕吐、脑膜刺激征、血性脑脊液是诊断SAH的三大依据,未具备三联症者,可参考急性或亚急性起病,不同程度的意识障碍,眩晕、发热、抽搐、眼底玻璃体下出血等辅助条件。1.2　一般资料　22例中男12例,女10例,年龄45～78岁,平均61.5岁。1.3　临床表? 1 clinical data 1.1 diagnostic criteria headache, vomiting, meningeal irritation, bloody cerebrospinal fluid is the three major basis for the diagnosis of SAH, did not have triad, who can refer to acute or subacute onset, varying degrees of disturbance of consciousness, dizziness, fever, convulsions , Fundus vitreous hemorrhage and other auxiliary conditions. 1.2 General Information 22 cases of 12 males and 10 females, aged 45 to 78 years, mean 61.5 years. 1.3 clinical table?