Abstract

Scenario: A 72-year-old female who had quadruple coronary artery bypass surgery 1 year earlier suddenly awoke at home with nausea and felt her heart racing. She took a nitroglycerine tablet because she thought she was having “heart problems,” then suddenly she felt faint. She called 911. Following is the 12-lead ECG obtained in the ambulance. The patient’s blood pressure was 70/40 mm Hg. A regular feature of the American Journal of Critical Care, the ECG Puzzler addresses electrocardiogram (ECG) interpretation for clinical practice. To send an eLetter or to contribute to an online discussion about this article, visit www.ajcconline.org and click “Respond to This Article” on either the full-text or PDF view of the article. We welcome letters regarding this feature.

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