leads of the ECG 心电图导联
Methods We compared the surface ECG in 12 leads during sinus rhythm with tachycardia, and tried to find the relation between the different locations of retrograde P' wave and QRS complex in all leads.
方法用对比的方法分析窦律下和心动过速时12导联体表心电图，找出心动过速时逆传P’波在不同导联的位置及与QRS波的关系。
This paper presents a method of recording standard 12 leads synchronous ECG making full use of resources of single-chip-microcomputer's hardware and software. In briefly, its principle of design.
本文介绍了一种充分利用单片机软硬件资源实现同步标准十二导心电图采集记录的方法，简述其设计原理。
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