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Challenges in Clinical Electrocardiography
April 12, 2021

Everything That Wenckebachs Is Not the AV Node

Author Affiliations
  • 1Electrophysiology Section, Division of Cardiovascular Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia
JAMA Intern Med. 2021;181(6):853-855. doi:10.1001/jamainternmed.2021.0926

A patient in their 70s with a medical history of type 2 diabetes and hypertension presented to the emergency department with fatigue, light-headedness, and dyspnea on exertion during the previous week. On physical examination, the patient was alert and in no acute distress with a heart rate of 47 beats per minute and blood pressure of 148/59 mm Hg. The 12-lead electrocardiogram (ECG) is shown in Figure, A.

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