Indications & Dose:
Symptomatic non-sustained ventricular tachyarrhythmias
Prophylaxis of paroxysmal atrial tachycardia or fibrillation, paroxysmal AV re-entrant tachycardias (both nodal and involving accessory pathways), and paroxysmal supraventricular tachycardia after cardiac surgery | Maintenance of sinus rhythm following cardioversion of atrial fibrillation or flutter
% BY MOUTH
% Adult: Initially 80 mg daily in 1–2 divided doses, then increased to 160–320 mg daily in 2 divided doses, dose to be increased gradually at intervals of 2–3 days Life-threatening arrhythmias including ventricular tachyarrhythmias
% BY MOUTH
% Adult: Initially 80 mg daily in 1–2 divided doses, then increased to 160–320 mg daily in 2 divided doses, dose to be increased gradually at intervals of 2–3 days, higher doses of 480–640mg daily may be required for life-threatening ventricular arrhythmias (under specialist supervision)
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