患者,男,31岁,于2014年6月因“血压升高并反复头晕、头痛半月”入首都医科大学附属北京朝阳医院(我院)。入院前半月患者无明显诱因出现头晕、头痛、恶心、呕吐胃内容物伴视物模糊,心悸、出汗不明显,半小时后症状自行缓解,未诊治。10d后再次出现头晕伴轻度头痛,伴轻度乏力,无其他不适,就诊于外院测 Patient, male, 31 years old, was admitted to Beijing Chaoyang Hospital (Hospital), Capital Medical University, in June 2014 due to “high blood pressure and repeated dizziness and headache”. Half a month before admission, patients with no obvious incentive to dizziness, headache, nausea, vomiting, stomach contents with blurred vision, palpitations, sweating was not obvious, half an hour later the symptoms ease themselves, not diagnosed. Dizziness again after 10d with mild headache, with mild fatigue, no other discomfort, treatment in the hospital test