Why the study?
New T wave inversion on ECG is typically considered an alarming sign of myocardial ischemia, although early T wave inversion after revascularization indicates reperfusion.
Late precordial T wave inversion post-CABG can be a benign sign of myocardial reperfusion rather than indicating new ischemia.
Post-CABG late precordial TWI may be benign without ischemia; hypothesis-generating and should not yet alter ECG interpretation or prompt routine workup.
The onset of new T wave inversion (TWI) on an electrocardiogram (ECG) has always been considered an alarming sign of myocardial ischemia. Successful myocardial infarction reperfusion is indicated by the presence of early TWI after revascularization. We report a case of benign late precordial TWI post-coronary artery bypass grafting (CABG) with no evidence of myocardial ischemia.
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Brahim Nassour Aware (2023) studied this question.
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