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Transmural dispersion of repolarization and ventricular tachyarrhythmias
Journal of Electrocardiology, 2004Myocardial transmural dispersion of repolarization (TDR) has been associated with reentrant arrhythmias in animal studies but a clinical association has not yet to been demonstrated. The present study examines the relationship between TDR and ventricular tachyarrhythmias in human subjects.This study consisted of 65 patients with non-sustained ...
Norikazu Watanabe +2 more
exaly +3 more sources
Impact of preeclampsia on ventricular repolarization indices
Journal of Electrocardiology, 2021 Because of cardiac hypertrophy and electrophysiological alterations associated with preeclampsia, worsening of preexisting arrhythmias or occurrence of de novo arrhythmias are common in patients with preeclampsia. Tp-e/QT and Tpe/QTc ratios are accepted as reliable indexes for predicting ventricular arrhythmias. In this study, we examined the impact of
Mustafa, Duran +4 more
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Ventricular repolarization variability for hypoglycemia detection
2011 Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2011 Hypoglycemia is the most acute and common complication of Type 1 diabetes and is a limiting factor in a glycemic management of diabetes. In this paper, two main contributions are presented; firstly, ventricular repolarization variabilities are introduced for hypoglycemia detection, and secondly, a swarm-based support vector machine (SVM) algorithm with
Nuryani, Steve Ling, Hung T. Nguyen 0001
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Arrhythmias due to Inherited and Acquired Abnormalities of Ventricular Repolarization
Cardiac Electrophysiology Clinics, 2019 Several acquired and congenital disease conditions and many cardiac and noncardiac drugs affect ventricular repolarization and increase susceptibility to ventricular arrhythmias.
Emanuela T Locati +2 more
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Techniques for Ventricular Repolarization Instability Assessment From the ECG [PDF]
Proceedings of the IEEE, 2016 Instabilities in ventricular repolarization have been documented to be tightly linked to arrhythmia vulnera- bility. Translation of the information contained in the repolar- ization phase of the electrocardiogram (ECG) into valuable clinical decision ...
Pablo Laguna +2 more
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The geometry of ventricular repolarization boundaries
American Heart Journal, 1970Abstract The effects of altered recovery time in areas of controlled geometry on the T-wave form were studied. The pericardial sacs of 6 dogs were irrigated with saline at various temperatures in the range of 20 to 45° C. T-wave form was dependent on the geometry of recovery boundaries prior to alteration of recovery times and the geometry of the area
M J, Burgess, K, Millar, J A, Abildskov
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Effects of quinidine on ventricular repolarization
European Heart Journal, 1987The possibility that an asynchronous increase in the ventricular monophasic action potential duration is the basis of the quinidine-induced torsade de pointes, has led us to study the electrophysiological effects of increasing doses of intravenous quinidine.
J, Brugada +4 more
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