1. Acute Non-Q Wave Cocaine-related Myocardial Infarction
Warren A. Kossowsky, M.D., Alan F. Lyon, M.D., Shyan-Yih Chou, M.D. 
CHEST 
Volume 96, Issue 3, Pages (September 1989)
DOI: /chest
Copyright © 1989 The American College of Chest Physicians Terms and Conditions

2. Figure 1
Serial ECG tracings in a typical patient (case 13) taken on entrance to the emergency room (A), 21 h later (B), and 3 days later (C). The deep, symmetric T-wave inversion shown in (C) persisted beyond the 7th hospital day.
CHEST  , DOI: ( /chest )
Copyright © 1989 The American College of Chest Physicians Terms and Conditions

3. Figure 2
Electrocardiogram in case 7 taken during an episode of chest pain after cocaine snorting, demonstrating ST-segment elevation in leads 1, 2, 3, aVL, aVF, and V2-6.
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Copyright © 1989 The American College of Chest Physicians Terms and Conditions

4. Figure 3
ECG in the same patient taken 1 h later, when the chest pain subsided, demonstrating reversion of the ST-segment.
CHEST  , DOI: ( /chest )
Copyright © 1989 The American College of Chest Physicians Terms and Conditions

5. Figure 4
ecg in the same patient taken one month later, displaying the normal variant of early repolarization.
CHEST  , DOI: ( /chest )
Copyright © 1989 The American College of Chest Physicians Terms and Conditions