Figure 34-7 Multiple-lead electrocardiographic system, consisting of four extremity electrodes and the V5 lead. LA, left arm; LL, left leg; RA, right arm; RL, right leg. (From Narang J, Thys DM: Electrocardiographic monitoring. In Ehrenwerth J, Eisenkraft JB [eds]: Anesthesia Equipment: Principles and Applications. St. Louis, Mosby-Year Book, 1992, p 284.)


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