Sodium Channel BlockersSodium ChannelsCalcium Channel BlockersPotassiumMexiletinePotassium Channel BlockersLidocaineTetrodotoxinIon ChannelsPotassium ChannelsSodiumMembrane PotentialsIon Channel GatingNAV1.5 Voltage-Gated Sodium ChannelPatch-Clamp TechniquesEpithelial Sodium ChannelsSemicarbazonesElectrophysiologyAction PotentialsPotassium Channels, Voltage-GatedCalcium ChannelsVoltage-Gated Sodium Channel BlockersPotassium Channels, Inwardly RectifyingAnti-Arrhythmia AgentsAmilorideDisopyramideNAV1.2 Voltage-Gated Sodium ChannelNAV1.6 Voltage-Gated Sodium ChannelElectric ConductivityTetraethylammoniumAjmaline4-AminopyridineVoltage-Gated Sodium ChannelsNeuronsFlecainideRats, Sprague-DawleyCalciumEpithelial Sodium Channel BlockersDose-Response Relationship, DrugChloride ChannelsPotassium Channels, Calcium-ActivatedNAV1.8 Voltage-Gated Sodium ChannelDelayed Rectifier Potassium ChannelsSodium Channel AgonistsTetraethylammonium CompoundsAnesthetics, LocalScorpion VenomsShaker Superfamily of Potassium ChannelsMononeuropathiesNAV1.4 Voltage-Gated Sodium ChannelBenzomorphansConotoxinsNAV1.1 Voltage-Gated Sodium ChannelNAV1.7 Voltage-Gated Sodium ChannelSaxitoxinOocytesCalcium Channels, L-TypeBundle-Branch BlockKineticsXenopus laevisNifedipineBatrachotoxinsRats, WistarEther-A-Go-Go Potassium ChannelsShaw Potassium ChannelsBariumNAV1.3 Voltage-Gated Sodium ChannelCarbamazepineShal Potassium ChannelsKv1.3 Potassium ChannelElectrocardiographyKATP ChannelsLarge-Conductance Calcium-Activated Potassium ChannelsThiazinesGuinea PigsKv1.2 Potassium ChannelKCNQ Potassium ChannelsHeart Conduction SystemXenopusCells, CulturedDogsKCNQ1 Potassium ChannelKv1.5 Potassium ChannelGlyburideDihydropyridinesElectric StimulationVeratridineVerapamilCesiumIon TransportApaminKv1.4 Potassium ChannelTime FactorsCharybdotoxinChloridesAnalgesicsShab Potassium ChannelsMyocardiumCalcium Channels, T-TypeNAV1.9 Voltage-Gated Sodium Channel