5.11 Medication-Related ECG Changes Widening of the QRS complex (particularly widening of the S deflection) following oral flecainide (FL), in comparison to the ECG without flecainide; with absolute arrhythmia with atrial fibrillation (oFL), however.
Class IA Antiarrhythmics (E.g., Quinidine)
Class IA Antiarrhythmics (E.g., Quinidine)
Class IB Antiarrhythmics (E.g., Mexiletine)
Class IC Antiarrhythmics (E.g., Flecanide)
IC Antiarrhythmics (E.g., Flecanide)