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Effect of sotalol and flecainide on iCEB. Effect of sotalol (left) and flecainide (right) on index of cardio‐electrophysiological balance (iCEB) in patients with paroxysmal supraventricular arrhythmias: data indicating that iCEB was significantly increased after administration of sotalol (mean daily dose 160 mg; N = 20; P = 0.01) and decreased after administration of flecainide (mean daily dose 158 mg; N = 20; P = 0.03).
