Incessant accelerated idioventricular rhythm mimicking preexcitation
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Updated: Dec 17, 2025

Real-Time Cardiac Mapping with a Noninvasive Imageless Electrocardiographic Imaging System
Published on: April 11, 2025
Juan Benezet-Mazuecos1, Álvaro Lozano Rosado1, Julian Crosa1
1Arrhythmia Unit, Cardiology Department, Hospital La Luz - Quironsalud, Madrid, Spain.
Abstract:
ECG of patients with Wolf Parkinson White (WPW) syndrome may simulate other entities such as myocardial infarction, ventricular premature complexes, ventricular bigeminy, accelerated idioventricular rhythm, intermittent bundle branch block or electrical alternans. On the other hand, the opposite can also occur where these other conditions may simulate WPW. We present the case of a young patient referred for WPW ablation showing an incessant accelerated idioventricular rhythm mimicking preexcitation.
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