潘某,男,36岁。因头晕全身无力1天就诊。P44次/分,心律整,各瓣膜区未闻及杂音。心电图示窦缓(心率44次/分)。内科药物治疗3天后病情仍不见好转,心率一直在42～46次/分,且病情较前加重,病人呈嗜睡状态,并过头痛。腰穿示均匀血性脑脊液,考虑为蛛网膜下腔出血。CT示桥脑区血肿;阻塞性脑积水。立即给予甘露醇降颅压及止血治疗,第2天心率升为62次/分,治疗1月基本痊愈出院。论讨典型的蛛网膜下腔出血诊断并 Panmou, male, 36 years old. Due to dizziness, the whole body weakness 1 day treatment. P44 beats / min, heart rhythm, the valve area did not smell and noise. Electrocardiogram Sinus slow (heart rate 44 beats / min). Medical treatment 3 days after the disease still did not improve, the heart rate has been 42 to 46 beats / min, and the condition worse than before, the patient was lethargy and over-headache. Waist wear uniform bloody cerebrospinal fluid, considered as subarachnoid hemorrhage. CT showed pontine hematoma; obstructive hydrocephalus. Mannitol was immediately given to reduce intracranial pressure and hemostasis, the second day the heart rate rose to 62 beats / min, the basic treatment of January discharged. Discussion of typical diagnosis of subarachnoid hemorrhage and