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胸前多导心电图(简称多导),即等电位体表标测图(Body Surface maps)是一种由心外膜电图衍化而来的“半直接”心电位的记录方法。该法通过多导将心动周期中的电活动记录下来,从而获得对某些心脏病进行诊断的依据。目前多导除应用于急性心肌梗塞范围的标测外,尚用于某些心肌病损的定性与定位以及药物疗效判定等。本文拟结合作者体会,就多导在临床上的应用加以简介。一、方法学:根据人体胸廓大小,以及欲获得信息的多少,可在胸前安置36(6×6)、49(7×7)、56(7×8)、72(9X8)以至120个导联。作者在实践中探讨了成人多导电极间波形变动范围为1.5～2.0平方厘米。故改为36或49个导联足以反映心电的各种变化。以36(6×6)
Chest multi-guided ECG (referred to as multi-guided), that is, equipotential body surface mapping (Body Surface maps) is a derived from the epicardial electrocardiogram derived from the “semi-direct” cardiac potential recording method. The method of multi-guided recording of electrical activity in the cardiac cycle to get some basis for the diagnosis of heart disease. At present, multiple debridement in addition to the application of mapping in the scope of acute myocardial infarction, but also for the qualitative identification of some myocardial lesions and drug efficacy determination. This article intends to combine the author’s experience, on the multi-guided clinical application to be briefed. First, the methodology: According to the size of the human thorax, and how much information you want to obtain, you can place 36 (6 × 6), 49 (7 × 7), 56 (7 × 8), 72 (9X8) Lead. In practice, the author discusses the adult multi-conducting electrode waveform variation range of 1.5 to 2.0 square centimeters. So changed to 36 or 49 leads enough to reflect the various changes in ECG. With 36 (6 × 6)