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. Author manuscript; available in PMC: 2012 Nov 1.
Published in final edited form as: J Electrocardiol. 2011 Sep 14;44(6):684–688. doi: 10.1016/j.jelectrocard.2011.07.017

Figure 1. 12-lead ECG Revealing Exercise-Induced Myocardial Ischemia.

Figure 1

This recording was taken at the peak of an exercise-treadmill testing of a 52 year-old healthy male firefighter, non-obese, and non-smoker. The recording shows horizontal ST depression >1mm in V4–V6 that lasted for 3 minutes after stopping the test. The average 24hrs T wave loop complexity ratio obtained from the Holter was 20%.