DigitalisDigoxinDigitalis GlycosidesDigitoxinCardenolidesDigitoxigeninCardiac GlycosidesLanatosidesOuabainCardanolidesCardiotonic AgentsStrophanthinsSodium-Potassium-Exchanging ATPaseAnti-Arrhythmia AgentsStrophanthidinHeart FailureDeslanosideArrhythmias, CardiacBufanolidesPenstemonSaponinsPlants, MedicinalDiureticsDogsRubidiumPlants, ToxicMedigoxinTachycardiaEleutherococcusHeart BlockPurkinje FibersMyocardial ContractionPotassiumElectrocardiographyApneaNeriumDrug Interactions