Circulation Journal
Online ISSN : 1347-4820
Print ISSN : 1346-9843
ISSN-L : 1346-9843
Reviews
Early Repolarization Syndrome
– A New Electrical Disorder Associated With Sudden Cardiac Death –
Shinsuke MiyazakiAshok J ShahMichel Haïssaguerre
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JOURNAL FREE ACCESS

2010 Volume 74 Issue 10 Pages 2039-2044

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Abstract

Early repolarization (ER), consisting of a J-point elevation, notching or slurring of the terminal portion of the R wave (J wave), and tall/symmetric T wave, is a common finding on the 12-lead electrocardiogram. For decades, it has been considered as benign, barring sporadic case reports and basic electrophysiology research that suggested a critical role of the J wave in the pathogenesis of idiopathic ventricular fibrillation (VF). In 2007-2008, a high prevalence of ER in patients with idiopathic VF was reported and subsequent studies reinforced the results. This review summarizes the current state of knowledge concerning ER syndrome associated with sudden cardiac death. (Circ J 2010; 74: 2039-2044)

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© 2010 THE JAPANESE CIRCULATION SOCIETY
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