Class III Antiarrhythmics and Periprocedural Torsades de Pointes

This case series describes 2 women on prolonged therapy with class III antiarrhythmics who developed torsades de pointes polymorphic ventricular tachycardia in the setting of catheter ablation for atrial fibrillation as a result of QTc prolonging factors. Clinicians must exercise increased vigilance...

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Bibliographic Details
Published in:JACC. Case reports 2023-10, Vol.23, p.101998, Article 101998
Main Authors: Font, Cristina M., Tran, Cao T.
Format: Article
Language:English
Subjects:
ablation
atrial fibrillation
bradycardia
Case Report
electrolyte imbalance
electrophysiology
risk factor
ventricular tachycardia
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Summary:This case series describes 2 women on prolonged therapy with class III antiarrhythmics who developed torsades de pointes polymorphic ventricular tachycardia in the setting of catheter ablation for atrial fibrillation as a result of QTc prolonging factors. Clinicians must exercise increased vigilance in the perioperative period in patients on QTc-prolonging medications. (Level of Difficulty: Intermediate.) [Display omitted]
ISSN:2666-0849
2666-0849
DOI:10.1016/j.jaccas.2023.101998