Heart BlockHeart Conduction SystemBundle-Branch BlockNeural ConductionNAV1.5 Voltage-Gated Sodium ChannelAtrioventricular BlockElectrocardiographyArrhythmias, CardiacMuscular Dystrophy, Emery-DreifussConnexin 43Cardiomyopathy, DilatedMyotonic DystrophyLamin Type ACardiomyopathiesConnexinsSodium ChannelsPedigreeMutationAtrioventricular NodePhenotypeMyocardiumAction PotentialsBone ConductionMedian NerveCardiac Pacing, ArtificialRefractory Period, ElectrophysiologicalUlnar NerveHeart AtriaPeripheral NervesElectrophysiologic Techniques, CardiacElectrophysiologyAxonsTibial NerveHeart Septal Defects, VentricularAtrial FlutterAphasia, ConductionHeart Defects, CongenitalElectrodiagnosisSural NervePurkinje FibersSinoatrial NodeHeart Septal Defects, AtrialCatheter AblationPeripheral Nervous System DiseasesWolff-Parkinson-White SyndromeElectric StimulationMotor NeuronsSciatic NerveDogsAtrial FunctionDiabetic NeuropathiesHeartRanvier's NodesPeroneal NerveTachycardia, Atrioventricular Nodal ReentryHeart VentriclesAtrial FibrillationTime FactorsCarpal Tunnel SyndromeBody Surface Potential MappingElectromyographyAnti-Arrhythmia AgentsModels, CardiovascularNerve Fibers, MyelinatedNerve FibersElectric ConductivityTachycardiaTachycardia, SupraventricularPolyneuropathiesGap JunctionsNeurons, AfferentHeart Septal DefectsMyelin SheathEvoked Potentials, SomatosensoryTachycardia, ParoxysmalFlecainideSpinal Nerve RootsVentricular FunctionLidocaineDemyelinating DiseasesProcainamideReaction TimePericardiumEndocardiumVoltage-Sensitive Dye ImagingBradycardiaMembrane PotentialsEvoked PotentialsSick Sinus SyndromeTricuspid ValveMyocytes, CardiacCardiac ElectrophysiologyTachycardia, VentricularElectrophysiological PhenomenaCardiac Complexes, PrematureMolecular Sequence DataBrugada SyndromeMice, KnockoutDisease Models, AnimalHeart Rate