老年人的蛛网膜下腔出血(SAH),由于临床表现常因症状不典型而误诊。现将4例误诊原因分析如下。一、以心绞痛或心律紊乱为表现误诊为冠心病和阿—斯综合征例1,女,69岁,农民。因阵发性胸闷、胸痛3天,于1986年12月23日入院。入院前3天突感阵发 Subarachnoid hemorrhage (SAH) in the elderly is often misdiagnosed because of clinical manifestations due to atypical symptoms. Four cases are now misdiagnosed as follows. First, the angina pectoris or cardiac rhythm disorders as misdiagnosed as coronary heart disease and Asi - Syndrome 1, female, 69 years old, farmer. Due to paroxysmal chest tightness, chest pain for 3 days, on December 23, 1986 admission. 3 days before admission surprise