对自发性低颅压综合征误诊为蛛网膜下腔出血2例分析如下。1病例摘要例1,患者男,30岁,肥胖,平时体健,1周前无诱因出现头痛,持续性胀痛,以顶枕部为重,伴恶心、未吐,头痛于平卧时减轻,坐起后加重,无发热。查体:神志清楚,颅神经检查未见异常,颈抵抗,四肢肌力、肌张力正常,腱反射正 Misdiagnosed as spontaneous intracranial hypertension syndrome 2 cases of subarachnoid hemorrhage as follows. 1 case summary 1, male patient, 30 years old, obesity, usually healthy, no inducing a week ago, headache, persistent pain, with the top occipital as the most important, with nausea, vomiting, headache relieved when supine , Increased after sitting, no fever. Physical examination: conscious, no abnormal cranial nerve examination, neck resistance, limb muscle strength, muscle tone normal, tendon reflexes