Brugada Phenocopy Induced by Electrolyte Disorder: A Transient Electrocardiographic Sign

Annals of Noninvasive Electrocardiology : the Official Journal of the International Society for Holter and Noninvasive Electrocardiology, Inc
Aysel HunukOzge Ecmel Onur

Abstract

Brugada syndrome (BrS) is an important cause of sudden cardiac death (SCD) with well-defined ST-segment elevation patterns on V1 -V3 . Observation of BrS-Type-electrocardiogram (ECG) patterns in medical conditions without true BrS is called "Brugada Phenocopy" (BrP). We present a case of 61-year-old male patient with hyperkalemia, hyponatremia, and BrS-Type-1 ECG pattern in the setting of acute postrenal failure. He was denying any syncope or family history of SCD. With normalization of electrolyte levels, BrS-Type-1-ECG resolved. Electrolyte disturbances are one of the most common reasons of BrP. Being aware of BrPs and differentiating from an unmasked BrS-ECG pattern could prevent patients from lethal consequences and unnecessary treatments.

References

Dec 26, 2006·Journal of Electrocardiology·Laszlo LittmannWilliam D Brearley
May 30, 2008·Pacing and Clinical Electrophysiology : PACE·Ngai-Shing MokHo-Chuen Yuen
Jul 28, 2010·Journal of Molecular and Cellular Cardiology·Arthur A M WildeCharles Antzelevitch
Aug 28, 2012·Journal of Electrocardiology·Antonio Bayés de LunaPedro Brugada
Oct 26, 2012·Annals of Noninvasive Electrocardiology : the Official Journal of the International Society for Holter and Noninvasive Electrocardiology, Inc·Adrian BaranchukAndrés R Pérez-Riera
Mar 29, 2014·World Journal of Cardiology·Daniel D AnselmAdrian Baranchuk
Sep 10, 2014·Annals of Noninvasive Electrocardiology : the Official Journal of the International Society for Holter and Noninvasive Electrocardiology, Inc·Byron GottschalkAdrian Baranchuk

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Citations

Jun 14, 2017·Annals of Noninvasive Electrocardiology : the Official Journal of the International Society for Holter and Noninvasive Electrocardiology, Inc·Umut KocabasAdrian Baranchuk

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