Epsilon waves as an extreme form of depolarization delay : Focusing on the arrhythmogenic right ventricular cardiomyopathy/dysplasia

• 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 substan-tial 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 suffi-cient for ARVC/D diagnosis, making EW generally not required for ARVC/D diagnosis. Neverthe-less, 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.

Ämnesord

MEDICIN OCH HÄLSOVETENSKAP  -- Klinisk medicin -- Kardiologi (hsv//swe)

MEDICAL AND HEALTH SCIENCES  -- Clinical Medicine -- Cardiac and Cardiovascular Systems (hsv//eng)

NATURVETENSKAP  -- Biologi -- Cellbiologi (hsv//swe)

NATURAL SCIENCES  -- Biological Sciences -- Cell Biology (hsv//eng)

Nyckelord

Arrhythmogenic right ventricular cardiomyopathy/dysplasia

Electrocardiography

Epsilon wave

Task force criteria

Epsilon wave; arrhythmogenic right ventricular cardiomyopathy/dysplasia; electrocardiography; task force criteria; depolarization delay; ECG

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