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Am J Emerg Med. 2002 May;20(3):243-51.

The prominent T wave: electrocardiographic differential diagnosis.

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  • 1Department of Emergency Medicine, University of Virginia School of Medicine, Charlottesville, VA, USA.


The prominent T wave is an abnormal T-wave morphology encountered in the earliest phase of ST-segment elevation acute myocardial infarction (AMI). Prominent T waves, however, are associated with other diagnoses, including hyperkalemia, early repolarization, and left ventricular hypertrophy (LVH). This article focuses on the electrocardiographic differential diagnosis of the prominent T wave with the presentation of 4 illustrative cases. We also recommend that the designation hyperacute should refer exclusively to the prominent T waves of ST-segment elevation AMI.

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