Sodium Channel BlockersTetrodotoxinSaxitoxinSodium ChannelsRats, Sprague-DawleyNeuronsMexiletineCalcium Channel BlockersLidocaineIon ChannelsSodiumAction PotentialsNAV1.5 Voltage-Gated Sodium ChannelEpithelial Sodium ChannelsSemicarbazonesAmphibian ProteinsVoltage-Gated Sodium Channel BlockersIon Channel GatingPotassium Channel BlockersCalcium ChannelsAmilorideNAV1.2 Voltage-Gated Sodium ChannelDisopyramideBatrachotoxinsMembrane PotentialsNAV1.6 Voltage-Gated Sodium ChannelAjmalineMarine ToxinsConotoxinsAnti-Arrhythmia AgentsElectrophysiologyVeratridineVoltage-Gated Sodium ChannelsPatch-Clamp TechniquesNAV1.8 Voltage-Gated Sodium ChannelFlecainideEpithelial Sodium Channel BlockersSodium Channel AgonistsAnesthetics, LocalScorpion VenomsMononeuropathiesShellfish PoisoningNAV1.7 Voltage-Gated Sodium ChannelBenzomorphansNAV1.1 Voltage-Gated Sodium ChannelNAV1.4 Voltage-Gated Sodium ChannelChloride ChannelsPotassium Channels, Inwardly RectifyingBundle-Branch BlockDose-Response Relationship, DrugNeurilemmaNAV1.3 Voltage-Gated Sodium ChannelCarbamazepineThiazinesCalcium Channels, L-TypeMollusk VenomsCalciumPotassiumElectric ConductivityNifedipineRats, WistarPotassium Channels, Voltage-GatedKineticsElectrocardiographyNeurotoxinsPoisonsVeratrineKATP ChannelsOocytesNAV1.9 Voltage-Gated Sodium ChannelHeart Conduction SystemPotassium Channels, Calcium-ActivatedAnalgesicsToxins, BiologicalDogsXenopus laevisOxocinsVerapamilElectrophorusVoltage-Gated Sodium Channel beta-1 Subunit