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Figure 34-10
Tracings of the esophageal electrocardiogram (EsECG)
and of leads II and V5
indicate posterior ischemia. (Adapted
from Kates RA, Zaidan JR, Kaplan JA: Esophageal lead for intraoperative electrocardiographic
monitoring. Anesth Analg 61:781, 1982.)
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