Subjects receiving class III antiarrhythmic medications
Patients with ventricular tachycardia or supraventricular tachycardia that requires treatment with a class Ia antiarrhythmic drug or class III antiarrhythmic drug
Patients already taking class Ic or III antiarrhythmic drugs
Patients must not be on treatment with class Ia or class III antiarrhythmic drugs
Subjects receiving class IA (quinidine, procainamide) or class III (dofetilide, amiodarone, sotalol) antiarrhythmic agents
Patients receiving class IA (quinidine, procainamide) or class III (dofetilide, amiodarone, sotalol) antiarrhythmic agents
Patients receiving class IA (quinidine, procainamide) or class III (dofetilide, amiodarone, sotalol) antiarrhythmic agents
Patients receiving class IA (quinidine, procainamide) or class III (dofetilide, amiodarone, sotalol) antiarrhythmic agents
Patients receiving class IA (quinidine, procainamide) or class III (dofetilide, amiodarone, sotalol) antiarrhythmic agents
Subjects receiving class IA (quinidine, procainamide) or class III (dofetilide, amiodarone, sotalol) antiarrhythmic agents