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患者女,74岁。半年来头晕,短阵昏厥,于1991-03-20入院。查体:一般状态欠佳,血压20/10kpa,肺未见异常,心界稍向左扩大,未闻及杂音,心律整,心率40次/日,肝脾未肿大,双下肢无水肿,四肢活动自如.胸片:肺纹理增强,主动脉纡曲延长.心电图示窦性心动过缓,ST ⅡⅢ avf 及 V_4.V_5下移0.05-1.0mv.做阿托品试验前,常规做心电图,心率40次/分,给予25%葡萄糖加阿托品1.5mg 静脉推注,静注两分钟后每两个 P 波后出现一个 QRS 渡,P-R 间期正常,切无逐渐延长
Female patient, 74 years old. Six months dizziness, short faint, admitted in 1991-03-20. Check the body: poor general condition, blood pressure 20 / 10kpa, no abnormal lungs, heart slightly expanded to the left, no smell and noise, rhythm, heart rate 40 times / day, liver and spleen not swollen, Chest movements: enhanced lungs texture, prolonged aortic longevity.Electrocardiogram showed sinus bradycardia, ST Ⅱ Ⅲ avf and V_4.V_5 down 0.05-1.0mv. Before doing atropine test, routine ECG, heart rate 40 Times / min, given 25% glucose plus atropine 1.5mg intravenous injection, two minutes after intravenous infusion of a QRS after each P wave crossing, PR interval normal, no gradual extension of the cut