Abstract
Scenario: This rhythm strip was obtained in an 18-year-old woman admitted to the intensive care unit (ICU) following a motor vehicle accident; her sister, the passenger, was dead on arrival. Although the patient was in critical condition, she was hemodynamically stable with mechanical ventilation and sedation. Unexpectedly, the central monitor alarmed for the ECG strip below. Immediate assessment of the patient revealed that she had no palpable carotid pulse. ECG PUZZLER A regular feature of the American Journal of Critical Care, the ECG Puzzler addresses ECG interpretation for clinical practice. We welcome letters to the Editors regarding this feature.
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