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European Heart Journal Advance Access originally published online on March 21, 2005
European Heart Journal 2005 26(8):747-748; doi:10.1093/eurheartj/ehi128
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© The European Society of Cardiology 2005. All rights reserved. For Permissions, please e-mail: journals.permissions@oupjournals.org

The use of signal-averaged electrocardiogram in risk stratification after acute myocardial infarction in the modern era

Kathy L. Lee and Chu-Pak Lau*

Division of Cardiology, Department of Medicine, Queen Mary Hospital, University of Hong Kong, Hong Kong SAR

* Corresponding author. Tel: +852 28554244; fax: +852 28551143. E-mail address: cplau@hkucc.hku.hk

This editorial refers to ‘Reduced prognostic power of ventricular late potentials in post-infarction patients of the reperfusion era’{dagger} by A. Bauer et al., on page 755

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Signal-averaged electrocardiogram (SAECG) reveals presence of late potentials that are low-amplitude high-frequency waveforms within the terminal portion of the QRS complex. Late potentials reflect the presence of slow conduction within the ventricular myocardium that may serve as a substrate for arrhythmogenesis. The underlying histology is hypothesized to be areas of fibrosis interspersed among areas of viable myocardium. Early studies showed that the presence of late potentials predicted inducibility of ventricular arrhythmias during programmed electrical stimulation in patients with remote myocardial infarction. Although the presence of late potentials was not a highly sensitive or . . . [Full Text of this Article]


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Related articles in EHJ:

Reduced prognostic power of ventricular late potentials in post-infarction patients of the reperfusion era
Axel Bauer, Przemyslaw Guzik, Petra Barthel, Raphael Schneider, Kurt Ulm, Mari A. Watanabe, and Georg Schmidt
EHJ 2005 26: 755-761. [Abstract] [Full Text]