Key result
Patients with acute myocardial infarction presenting with STEMI equivalent ECG patterns require emergent coronary angiography and revascularization despite lacking standard ST-segment elevation.
Case Report (n=4)
No
Recognizing STEMI equivalent ECG patterns such as isolated posterior STEMI, LMCA occlusion, LBBB, and de Winter sign is crucial for timely revascularization in patients lacking classic ST-segment elevation.
May support emergent angiography in STEMI equivalents; hypothesis-generating case report leaves open prospective validation.
This paper provides clinical cases of acute myocardial infarction that do not show ST-segment elevation on 12-lead electrocardiogram, but should be clinically treated as ST-segment elevation myocardial infarction with early diagnostic coronary angiogram followed by appropriate strategy of revascularization. (Level of Difficulty: Beginner.)
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Chyu et al. (2022) conducted a case report in Acute myocardial infarction (STEMI equivalent) (n=4). Early diagnostic coronary angiogram and revascularization was evaluated. Patients with acute myocardial infarction presenting with STEMI equivalent ECG patterns require emergent coronary angiography and revascularization despite lacking standard ST-segment elevation.
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