Key result
Correcting an arm lead reversal in a 36-year-old man resolved an apparent inferior STEMI mimic, revealing benign early repolarization.
Why the study?
Misplaced leads can create the appearance of an ST-segment elevation myocardial infarction (STEMI), highlighting the need to identify ECG findings suggestive of arm lead reversal.
Case Report (n=1)
Recognizing ECG signs of arm lead reversal is crucial to prevent misdiagnosis of STEMI and avoid unnecessary interventions.
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Lead reversal check may avert false STEMI activations; this case leaves open systematic validation of ECG mimics.
M. J. Sweeney (2021) conducted a case report in ECG STEMI mimic (n=1). Arm lead reversal correction was evaluated. Correcting an arm lead reversal in a 36-year-old man resolved an apparent inferior STEMI mimic, revealing benign early repolarization.
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