蛛网膜下腔出血为内科急症之一。由于临床医生认识的提高和及时准确的腰穿,近年来发病率有增高的趋势。其临床表现为剧烈的头痛、呕吐、脑膜刺激征和血性脑脊液。典型病例不难诊断,少数病例,由于临床表现不典型或病情复杂,每易误诊。我院1980年1月至1982年12月三年间共收治15例。现将四例不典型病例摘要报导如下,以提高对本病的认识。 Subarachnoid hemorrhage is one of the medical emergency. As clinicians improve awareness and timely and accurate lumbar puncture, the incidence has been increasing in recent years. The clinical manifestations of severe headache, vomiting, meningeal irritation and bloody cerebrospinal fluid. Typical cases are not difficult to diagnose, a small number of cases, due to clinical manifestations or complicated, each misdiagnosis. Our hospital from January 1980 to December 1982 three years were treated 15 cases. Four cases of atypical cases are now summarized as follows to raise awareness of the disease.