Benign Versus Malignant Early Repolarization Patterns

Raphael Rosso, Sami Viskin*

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

1 Scopus citations


Distinguishing the “benign” from the “malignant” patterns of early repolarization is of outmost importance because the former electrocardiogram (ECG) pattern is frequently observed in healthy individuals, whereas the latter, far more rarely, is associated with sudden death from idiopathic ventricular fibrillation (VF). It is important to analyze the three components of the early repolarization ECG pattern, that is, the J-wave proper, the ST-segment, and the ensuing T-waves. T-waves of higher amplitude and longer duration, ST-segments that are horizontal or descending (as opposed to ascending ST-segment), and low-amplitude T-waves correlate with increased risk of idiopathic VF. However, there is too much overlapping between the values of the two groups to allow for reliable diagnosis in the absence of symptoms (except for the rare “monstrous” J-waves).

Original languageEnglish
Title of host publicationCardiac Repolarization
Subtitle of host publicationBasic Science and Clinical Management
PublisherSpringer International Publishing
Number of pages7
ISBN (Electronic)9783030226725
ISBN (Print)9783030226718
StatePublished - 1 Jan 2019


  • Early repolarization
  • Electrocardiogram
  • Ventricular fibrillation


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