Sodium ChannelsSodium Channel BlockersIon ChannelsSodiumNAV1.8 Voltage-Gated Sodium ChannelEpithelial Sodium ChannelsNAV1.5 Voltage-Gated Sodium ChannelNAV1.2 Voltage-Gated Sodium ChannelNAV1.7 Voltage-Gated Sodium ChannelIon Channel GatingNAV1.6 Voltage-Gated Sodium ChannelCalcium ChannelsVoltage-Gated Sodium ChannelsNAV1.1 Voltage-Gated Sodium ChannelNAV1.3 Voltage-Gated Sodium ChannelNAV1.4 Voltage-Gated Sodium ChannelSensitivity and SpecificityMembrane PotentialsNAV1.9 Voltage-Gated Sodium ChannelSodium Channel AgonistsElectrophysiologyPatch-Clamp TechniquesTetrodotoxinPotassium Channels, Inwardly RectifyingMyocytes, CardiacSaxitoxinBatrachotoxinsCalcium Channel BlockersPotassium Channel BlockersElectric ConductivityVoltage-Gated Sodium Channel BlockersChloride ChannelsPotassium Channels, Voltage-GatedOocytesAction PotentialsKineticsHeartXenopus laevisDrug ResistanceScorpion VenomsCalcium Channels, L-TypeMolecular Sequence DataPotassiumVeratridineMutationVoltage-Gated Sodium Channel beta-1 SubunitTime FactorsDose-Response Relationship, DrugAmino Acid SequenceDrug Screening Assays, AntitumorXenopusShaker Superfamily of Potassium ChannelsKATP ChannelsLidocaineEpithelial Sodium Channel BlockersMyocardiumPotassium Channels, Calcium-ActivatedCalciumAmilorideArrhythmias, CardiacNeuronsCells, CulturedDrug Resistance, NeoplasmRats, Sprague-DawleyCardiac OutputCell LineVoltage-Gated Sodium Channel beta-3 SubunitRanvier's NodesAntineoplastic AgentsLarge-Conductance Calcium-Activated Potassium ChannelsModels, BiologicalAcid Sensing Ion ChannelsParasitic Sensitivity TestsCyclic Nucleotide-Gated Cation ChannelsCell MembraneGanglia, SpinalCalcium Channels, T-TypeCalcium Channels, N-TypeKv1.2 Potassium ChannelVoltage-Gated Sodium Channel beta-2 SubunitPyrethrinsMexiletineEther-A-Go-Go Potassium ChannelsNerve Tissue ProteinsVoltage-Gated Sodium Channel beta-4 SubunitInhibitory Concentration 50Degenerin Sodium ChannelsProtein Structure, TertiaryDeath, Sudden, CardiacConotoxinsAxonsProtein SubunitsTRPC Cation ChannelsIon TransportDecapodiformesTransfectionRNA, MessengerMuscle ProteinsCockroachesErythromelalgia