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Challenges in Clinical Electrocardiography
July 2016

A Case of Ventricular ArrhythmiaWhen the Right Isn’t Right

Author Affiliations
  • 1Division of Cardiology, Department of Medicine and Geriatrics, United Christian Hospital, Hong Kong, China
JAMA Intern Med. 2016;176(7):1013-1015. doi:10.1001/jamainternmed.2016.1982

A woman in her 60s presented to the emergency department with palpitation and dyspnea. She had multiple syncopal episodes months prior. Her blood pressure was 154/78 mm Hg, her pulse was 184 beats per minute, and her arterial oxygen saturation was 98% breathing ambient air. Her electrocardiogram (ECG) is shown (Figure 1A). The arrhythmia did not respond to adenosine. Following amiodarone infusion, a second ECG test was performed (Figure 1B).

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