Electric WiringElectric Power SuppliesElectricityElectric Stimulation TherapyElectric InjuriesElectromagnetic FieldsLeukemia, Radiation-InducedElectromagnetic RadiationHeart FailureLeg InjuriesEdemaElectrophoresis, PaperElectroporationRana catesbeianaMembrane PotentialsMicroscopy, ElectronElectric StimulationElectrochemistryEnvironmental ExposureTreatment FailureElectrophoresisTime FactorsKineticsMusclesIon Channel GatingPatch-Clamp TechniquesElectric ConductivityElectrophysiologyIon ChannelsKidney Failure, ChronicPotassium ChannelsFailure to ThriveAction PotentialsPotassiumCalciumLiver Failure, AcuteOocytesSodiumXenopus laevisCalcium ChannelsLiver FailureShaker Superfamily of Potassium ChannelsBariumPotassium Channels, Voltage-GatedMultiple Organ FailureMyocardiumEquipment FailureTetraethylammoniumXenopusTetrodotoxinTreatment OutcomeModels, BiologicalCesiumCardiac Output, LowNeuronsTetraethylammonium CompoundsHeartHeart Failure, SystolicAcute Kidney InjuryRespiratory InsufficiencyDecapodiformesHeart VentriclesProsthesis FailureCalcium Channels, L-TypePotassium Channel BlockersCalcium Channel BlockersChloridesElectric CapacitanceGuinea PigsSodium Channel BlockersMicroelectrodesHeart Failure, DiastolicRetrospective StudiesDose-Response Relationship, DrugLarge-Conductance Calcium-Activated Potassium ChannelsFollow-Up StudiesRana pipiensCell MembraneBiophysicsMutationIon TransportElectrocardiographyProspective StudiesRats, Sprague-DawleyEther-A-Go-Go Potassium ChannelsVentricular FunctionHyperpolarization-Activated Cyclic Nucleotide-Gated ChannelsChronic DiseaseHeart Conduction SystemBiophysical PhenomenaKv1.2 Potassium ChannelCyclic Nucleotide-Gated Cation ChannelsMathematicsRenal InsufficiencyStroke VolumeElectrodesChloride ChannelsRana esculentaDogsEquipment Failure Analysis