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Challenges in Clinical Electrocardiography
Mar 11, 2013

Atrioventricular Block With 2:1 ConductionWhere Is the Block, and How Should It Be Managed?

Author Affiliations
 

SECTION EDITORS: JEFFREY TABAS, MD; PAUL D. VAROSY, MD; GREGORY M. MARCUS, MD; NORA GOLDSCHLAGER, MD

JAMA Intern Med. 2013;173(5):335. doi:10.1001/jamainternmed.2013.3182a

A 74-year-old woman with dyslipidemia presented to the emergency department after 3 days of shortness of breath, generalized weakness, and light-headedness without syncope. She was found to have pulmonary vascular congestion, mild hypoxia, and bradycardia. Her blood pressure was 125/80 mm Hg, and her heart rate was regular at 44 beats per minute (bpm). An electrocardiogram (ECG) was obtained (Figure 1).

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