Why the study?
Does overdrive pacing at multiple cycle lengths alter conduction time through the reentrant circuit in patients with recurrent sustained ventricular tachycardia?
Population
14 patients with recurrent sustained ventricular tachycardia (VT)
Design
Case_series
Authors
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May characterize reentrant VT circuits via pacing; leaves open clinical utility or drug-effect prediction pending validation.
Does overdrive pacing at multiple cycle lengths alter conduction time through the reentrant circuit in patients with recurrent sustained ventricular tachycardia?
Transient entrainment reveals distinct conduction time response patterns in the reentrant circuit of VT, providing a method to evaluate electrophysiological characteristics and potential antiarrhythmic drug effects.
Aizawa et al. (1990) studied this question.
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