Epsilon Waves as an Extreme Form of Depolarization Delay: Focusing on the Arrhythmogenic Right Ventricular Cardiomyopathy/Dysplasia

Author(s): Pyotr G. Platonov*, Anneli Svensson

Journal Name: Current Cardiology Reviews

Volume 17 , Issue 1 , 2021


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Abstract:

Revision of the Task Force diagnostic criteria (TFC) for arrhythmogenic right ventricular cardiomyopathy/dysplasia (ARVC/D), in 2010, has increased the sensitivity for the diagnosis of early and familial forms of the disease. Epsilon wave (EW) is a major diagnostic criterion in the context of ARVC/D, however, it remains unquantifiable and therefore, may leave room for substantial subjective interpretation, thus, explaining the existing high inter-observer variability in the assessment of EW. EW, when present, coexists with other disease characteristics, which are sufficient for ARVC/D diagnosis, making EW generally not required for ARVC/D diagnosis. Nevertheless, EW remains an important part of the electrocardiographic phenotype of ARVC/D that may be useful in planning diagnostic work-up, which needs to be recognized.

Keywords: Epsilon wave, arrhythmogenic right ventricular cardiomyopathy/dysplasia, electrocardiography, task force criteria, depolarization delay, ECG.

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Article Details

VOLUME: 17
ISSUE: 1
Year: 2021
Published on: 09 August, 2020
Page: [17 - 23]
Pages: 7
DOI: 10.2174/1573403X16666200810105029

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