“Flecainide, E-4031, and verapamil markedly reduced the duration of arrhythmias induced by epinephrine, 8 µg/kg intravenously (P < 0.01), whereas only amiodarone markedly reduced the duration of arrhythmias Induced by epinephrine , 16 µg/kg intravenously (P < 0.01).”