This document provides a standardized protocol for measuring, correcting, and monitoring QTc intervals during initiation and maintenance of antiarrhythmic drug (AAD) therapy, with special considerations for atrial fibrillation and wide QRS complexes. It recommends consistent ECG measurement methods, use of the Fridericia correction formula, specific monitoring protocols for dofetilide, sotalol, ibutilide, and procainamide, and defined thresholds for clinical action to reduce the risk of torsades de pointes and other drug-induced arrhythmias.
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Publish Date or Last Revised
June 15, 2026
Resource Type
- Care Pathways / Clinical Decision Support
- Workflows
Therapeutic Area
Atrial Fibrillation
Management
Rhythm Management
Setting
Inpatient, Outpatient
Quality Improvement Topic
Interventions, Metrics / Measures, Safety