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1病历摘要男,73岁。因间断头晕2 d,加重4 h入院。ECG:Ⅲ度AVB,RBBB,Ⅱ、Ⅲ、aVF Q波。心电监测显示:心室率22次/min左右,最长R-R间期大于8 s。入院3 h经左侧股静脉入路置入临时起搏器,起搏电极置于右心室,起搏频率60次/min,脉宽1 ms,起搏阈值1 V,输出电压5 V,R波高度12 mV,感知灵敏度5 mV。次日心电监测可见起搏信号规律出现,60次/
1 medical record summary male, 73 years old. Due to intermittent dizziness 2 d, increased 4 h admission. ECG: Ⅲ degree AVB, RBBB, Ⅱ, Ⅲ, aVF Q wave. ECG monitoring showed that: ventricular rate of 22 times / min or so, the longest R-R interval is greater than 8s. 3 h after admission through the left femoral vein into the temporary pacemaker, pacing electrodes placed in the right ventricle, pacing rate 60 beats / min, pulse width 1 ms, pacing threshold 1 V, the output voltage 5 V, R Wave height 12 mV, Sensitivity 5 mV. The next day can be seen pacing ECG signal monitoring rules appear, 60 times /