ChannelopathiesSodium ChannelsSodiumSodium Channel BlockersNAV1.5 Voltage-Gated Sodium ChannelIon ChannelsParalyses, Familial PeriodicHypokalemic Periodic ParalysisNAV1.4 Voltage-Gated Sodium ChannelMyotoniaEpithelial Sodium ChannelsNAV1.8 Voltage-Gated Sodium ChannelMyotonic DisordersIon Channel GatingNAV1.2 Voltage-Gated Sodium ChannelNAV1.7 Voltage-Gated Sodium ChannelParalysis, Hyperkalemic PeriodicCalcium ChannelsNAV1.6 Voltage-Gated Sodium ChannelVoltage-Gated Sodium ChannelsNAV1.1 Voltage-Gated Sodium ChannelNAV1.3 Voltage-Gated Sodium ChannelLong QT SyndromePotassium Channels, Inwardly RectifyingMuscular DiseasesIsaacs SyndromeBrugada SyndromeSodium Channel AgonistsPotassium Channels, Voltage-GatedNAV1.9 Voltage-Gated Sodium ChannelMembrane PotentialsElectrophysiologyTetrodotoxinSaxitoxinPatch-Clamp TechniquesBatrachotoxinsMutationVoltage-Gated Sodium Channel BlockersCalcium Channel Blockers