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rv5sv1值多少正常
更新时间: 2020-11-05 00:00:00  

心电图像rv5+sv1正常值应该带3.5毫伏以下。心电图(ECG或者EKG)是利用心电图机从体表记录心脏每一心动周期所产生的电活动变化图形的技术。心电图记录的是电压随时间变化的曲线。心电图记录在坐标纸上,坐标纸为由1mm宽和1mm高的小格组成。横坐标表示时间,纵坐标表示电压。通常采用25mm/s纸速记录,1小格=1mm=0.04秒。纵坐标电压1小格=1mm=0.1mv。

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