病例:男,19岁,于1991年5月1日入院。20余天前无诱因出现持续性头痛,伴喷射状呕吐,为胃内容物。病前2周曾患“上感”。查体:体温37.1℃,血压16.0/12.0kPa,皮肤无红斑及结节,双肺正常,心浊音界不大,心率100次/分,律齐,心尖部闻及Ⅱ/6级收缩期吹风样杂音。肝脾未触及。四肢关节无红肿及压痛。神经系统检查仅见左眼外展略受限,余无阳性体征。 Case: Male, 19 years old, admitted to hospital on May 1, 1991. More than 20 days ago there was no incentive for persistent headache, with jet-like vomiting, stomach contents. Two weeks before the disease had “feeling.” Physical examination: body temperature 37.1 ℃, blood pressure 16.0 / 12.0kPa, skin no erythema and nodules, normal lungs, cardiac dullness is not big, heart rate 100 beats / min, law Qi, apical Ministry Wen and Ⅱ / 6 systolic hair Like noise. Liver and spleen not touched. Joints and limbs without swelling and tenderness. Nervous system examination revealed only a limited left eye abduction, I no positive signs.