Hypokalemic Periodic ParalysisParalyses, Familial PeriodicParalysis, Hyperkalemic PeriodicParalysisNAV1.4 Voltage-Gated Sodium ChannelThyrotoxicosisHypokalemiaAndersen SyndromeHyperkalemiaCircadian RhythmHeartMyotoniaChannelopathiesHeart RateMyotonic DisordersRespiratory ParalysisSodium ChannelsVocal Cord ParalysisMyotonia CongenitaPeriodicityDefibrillators, ImplantableArrhythmias, CardiacMuscle HypotoniaEuropeAtrial FibrillationHyperthyroidismAntithyroid AgentsFacial ParalysisPacemaker, ArtificialCardiologySocieties, MedicalCarbimazoleMuscular DiseasesFractalsMuscle, SkeletalAcidosis, Renal TubularAcetazolamideMuscle WeaknessSleep ParalysisMethimazolePotassium Channels, Inwardly RectifyingElectrocardiography, AmbulatoryCardiac Imaging TechniquesTick ParalysisCardiac Pacing, ArtificialElectrocardiographyHeart Conduction SystemPotassiumCatheter AblationElectric CountershockMutationAnti-Arrhythmia AgentsCarbonic Anhydrase InhibitorsPotassium DeficiencyDevice RemovalPedigreeIon Channel GatingHeart FailureSignal Processing, Computer-AssistedHorse DiseasesGraves DiseaseHealth Care SurveysCalcium ChannelsHeart DiseasesCardiac Resynchronization TherapyPatch-Clamp TechniquesTreatment OutcomePropranololThyroid Function TestsMembrane PotentialsCalcium Channels, L-TypeHeart Defects, CongenitalHeart TransplantationPhenotypeAction PotentialsElectromyographyMuscle Fibers, SkeletalDeath, Sudden, CardiacTachycardia, VentricularElectrophysiologyMuscle ProteinsDNA Mutational AnalysisMutation, MissensePoint MutationHeart AtriaArginineBiological ClocksPractice Guidelines as TopicMolecular Sequence DataFetal HeartMusclesTime Factors