A 39-year-old man presented to the emergency department with a short (few days) history of subjective fever, lethargy, cough, nausea, and vomiting. He had no other medical history, and he denied chest pain or palpitations but complained of generalized weakness. His vital signs on arrival were (1) heart rate, 91 beats per minute (bpm); (2) temperature, 99.6 °F; and (3) blood pressure, 113/73 mm Hg. Based on initial electrocardiogram (ECG) results (Figure, A), an urgent cardiology consultation was requested for atrial flutter.
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Naz A, Khan SA, Shah R. A Man With a Sixth Wave in Electrocardiogram Results. JAMA Intern Med. Published online October 05, 2020. doi:10.1001/jamainternmed.2020.4783
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