Equipped with a carefully formed clinical impression of the patient, a systematic approach to 12-lead ECGThe 12-lead ECG provides 12 views of the heart. The 12 views are generated through only 10 electrodes. Four limb electrodes attach to the inner forearms and calves. The remaining 6 electrodes, labelled successively from V1 to V6, are attached... interpretation makes the 12-lead ECGElectrocardiogram; also called an EKG; a representation of electrical voltage measured across the chest over a period of time. 1. Six Second ECG Guidebook (2012), T Barill, p. 196 a reliable assessment tool. Mindful of false positives and false negatives, the patient’s old 12-Lead ECG serves as an invaluable reference that greatly increases the likelihood of a correct interpretation.