Exercise Stress Testing Induced Brugada Phenocopy

Exercise Stress Testing and Brugada Phenocopy

Authors

  • Selcuk Ozturk, MD Department of Cardiology, Kirikkale University Faculty of Medicine, Kirikkale, Turkey
  • Onur Akgun, MD Department of Cardiology, Kirikkale University Faculty of Medicine, Kirikkale, Turkey
  • Ozgur Ciftci, MD Department of Cardiology, Kirikkale University Faculty of Medicine, Kirikkale, Turkey

Keywords:

arrhythmia, Brugada electrocardiography pattern, Brugada syndrome, channelopathy, stress testing

Abstract

Brugada syndrome (BrS) is an inherited channelopathy associated with ventricular tachyarrhythmias and sudden cardiac death in individuals with a structurally normal heart and Brugada electrocardiography (ECG) pattern and clinical history. BrS is categorized into three types according to ECG morphology, but the ECG of BrS may be intermittent, fluctuating, and occasionally concealed. Exercise is known to induce Brugada ECG phenocopy or mask ST-segment changes in BrS patients, depending on autonomic nervous system activity. Herein, we describe a case of a patient who developed type-1 Brugada ECG phenocopy and prominent bradycardia during the recovery phase of exercise stress testing.

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Published

2024-07-01

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Section

Case reports

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