Effect of implantable cardioverter-defibrillator shocks on QT dispersion

O Gurevitz; E Yaacoby; E Segal; A Perel; M Eldar; E Kaplinsky; M Glikson

doi:10.1016/s0002-9149(00)01178-4

Effect of implantable cardioverter-defibrillator shocks on QT dispersion

Am J Cardiol. 2000 Nov 15;86(10):1146-8, A9. doi: 10.1016/s0002-9149(00)01178-4.

Authors

O Gurevitz¹, E Yaacoby, E Segal, A Perel, M Eldar, E Kaplinsky, M Glikson

Affiliation

¹ Heart Institute and Department of Anesthesiology and Intensive Care, Sheba Medical Center, Tel Hashomer, Israel.

PMID: 11074218
DOI: 10.1016/s0002-9149(00)01178-4

Abstract

Following transvenous implantable cardioverter defibrillator shocks, a significant increase in QT dispersion was observed. We suggest shock-induced increased dispersion of myocardial repolarization as one of the mechanisms of shock-induced proarrhythmia.

MeSH terms

Cardiac Pacing, Artificial / methods*
Defibrillators, Implantable* / classification
Electrocardiography*
Heart Rate / physiology
Humans
Monitoring, Physiologic
Myocardial Contraction / physiology*
Time Factors
Ventricular Fibrillation / etiology
Ventricular Fibrillation / physiopathology*
Ventricular Fibrillation / therapy*