AmiodaroneAnti-Arrhythmia AgentsBenzofuransAtrial FibrillationBiotransformationTachycardiaChromatography, High Pressure LiquidTachycardia, VentricularSotalolThyrotoxicosisVentricular FibrillationArrhythmias, CardiacElectric CountershockPropafenoneMetabolomicsMetabolomeGas Chromatography-Mass SpectrometryAdministration, OralElectrocardiographyDose-Response Relationship, DrugDrug InteractionsTachycardia, ParoxysmalMicrosomes, LiverTachycardia, Ectopic Junctional