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Updated: Sep 30, 2025

A Model of Long-Term Ventricular Fibrillation in Isolated Rat Hearts
Published on: February 17, 2023
Safety concern with electrical cardioversion of persistent atrial fibrillation with slow ventricular response
Jino Park1, Sang-Hoon Seol1, Dong-Kie Kim1
1Division of Cardiology, Department of Internal Medicine, Haeundae Paik Hospital, University of Inje College of Medicine, Busan, Korea.
Abstract:
Rhythm control strategies in patients with atrial fibrillation (AF) can bring many clinical benefits. However, there is still uncertainty regarding selection of the optimal rhythm control strategy for persistent AF. Chronicity, substrate alteration, and underlying bradyarrhythmias could influence the clinical outcomes. Current guidelines do not provide a distinct recommendation for electrical cardioversion (ECV) in patients with AF with a slow ventricular response (SVR). We present two cases of sudden cardiac arrest due to sustained ventricular tachycardia/fibrillation after ECV of persistent AF with SVR.
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