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Ann Pediatr Cardiol. 2019 Sep-Dec;12(3):292-294. doi: 10.4103/apc.APC_131_18.

Exercise-induced syncope and Brugada syndrome.

Author information

1
Department of Pediatric Cardiology, University of California-Irvine and Children's Hospital of Orange County, Orange CA, USA.
2
Department of Pediatrics, University of California-Irvine and Children's Hospital of Orange County, Orange CA, USA.

Abstract

Brugada syndrome (BrS) is a hereditary condition that is characterized by ST elevation, ventricular tachycardia or fibrillation, and sudden cardiac death in otherwise healthy patients. Life-threatening arrhythmias generally occur, while at rest, with fever or during vagotonic states. Exercise is generally not considered a trigger for ventricular arrhythmias or syncope in patients with BrS. We describe a patient who presented with exercise-induced syncope, ventricular tachycardia during an exercise test, and was found to be both genotypically and phenotypically positive for BrS. This case highlights a potentially important role of exercise testing in diagnosing and risk stratifying certain patients with BrS.

KEYWORDS:

Brugada syndrome; exercise; treadmill stress testing; ventricular fibrillation

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