Sodium ChannelsNAV1.5 Voltage-Gated Sodium ChannelSodium Channel BlockersBrugada SyndromeVoltage-Gated Sodium Channel beta-3 SubunitSodiumVoltage-Gated Sodium Channel beta-1 SubunitLong QT SyndromeIon Channel GatingMexiletineIon ChannelsLidocaineEpithelial Sodium ChannelsMuscle ProteinsBatrachotoxinsMyocardiumArrhythmias, CardiacMyocytes, CardiacPatch-Clamp TechniquesHeartNAV1.2 Voltage-Gated Sodium ChannelElectrophysiologyNAV1.6 Voltage-Gated Sodium ChannelMembrane PotentialsCalcium ChannelsVoltage-Gated Sodium ChannelsFlecainideAnti-Arrhythmia AgentsBenzocaineElectrocardiographyNAV1.8 Voltage-Gated Sodium ChannelMutation, MissenseTetrodotoxinCnidarian VenomsSodium Channel AgonistsMutationDeath, Sudden, CardiacNAV1.1 Voltage-Gated Sodium ChannelAction PotentialsOocytesNAV1.7 Voltage-Gated Sodium ChannelNAV1.4 Voltage-Gated Sodium ChannelAjmalineDystrophin-Associated ProteinsSudden Infant DeathElectric ConductivityBundle-Branch BlockSaxitoxinDisopyramidePotassium Channels, Inwardly RectifyingSyndromeChannelopathiesXenopus laevisHeart Conduction SystemKineticsNAV1.3 Voltage-Gated Sodium ChannelCaveolin 3Purkinje FibersCalcium Channel BlockersXenopusPotassium Channel BlockersHEK293 CellsVoltage-Gated Sodium Channel beta-4 SubunitCell LineAnesthetics, LocalChloride ChannelsMolecular Sequence DataHeart VentriclesAmino Acid SequenceVoltage-Gated Sodium Channel BlockersPotassium Channels, Voltage-GatedDose-Response Relationship, DrugMutagenesis, Site-DirectedScorpion VenomsTransfectionGuinea PigsCells, CulturedNAV1.9 Voltage-Gated Sodium ChannelCalcium Channels, L-TypePhenotypeDNA Mutational AnalysisVeratridineModels, CardiovascularTime FactorsPedigreeKATP ChannelsEpithelial Sodium Channel BlockersCardiac OutputModels, BiologicalAmino Acid SubstitutionAmilorideTachycardia, VentricularHeterozygotePotassium Channels, Calcium-ActivatedRabbitsPotassiumShaker Superfamily of Potassium ChannelsAcid Sensing Ion ChannelsRanvier's NodesRats, Sprague-Dawley