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Challenges in Clinical Electrocardiography
May 9, 2011

Life-Threatening ST-Segment Elevation Without Coronary Artery Disease

Author Affiliations


Arch Intern Med. 2011;171(9):801. doi:10.1001/archinternmed.2011.184

A 55-year-old Asian man with no notable medical history presented with syncope and several episodes of atypical chest pain 2 weeks earlier. An electrocardiogram (ECG) was obtained (Figure 1), and based on an initial presumed clinical diagnosis of ST-segment elevation myocardial infarction, the patient was referred emergently for cardiac catheterization.

Question:What is the most likely diagnosis?

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