The standard three lead system that forms Einthoven’s triangleDr. Einthoven was a physiologist, who in the late 1800s, first established the 3-lead cardiac monitoring system; the three lead system maps the electrical workings of the heart with a triangular lead system - Leads I, II, III. The three... with the white electrode (right shoulder), black electrode (left shoulder) and red electrode (left lower abdomen) forming three bipolar leads (positive lead and negative lead) – Lead I (white to black) – Lead II (white to red) – Lead III (black to red).
1. Six Second ECG GuidebookA Practice Guide to Basic and 12 Lead ECG Interpretation, written by Tracy Barill, 2012 Introduction The ability to correctly interpret an electrocardiogram (ECG), be it a simple six second strip or a 12 lead ECG, is a vital skill... (2012), T Barill, p. 192