Atrioventricular NodeTachycardia, Atrioventricular Nodal ReentryHeart Conduction SystemWolff-Parkinson-White SyndromeTachycardia, SupraventricularCatheter AblationNeural ConductionCardiac Pacing, ArtificialHeart BlockElectrocardiographyElectrophysiologyRecurrenceFollow-Up StudiesAction PotentialsBone ConductionMedian NerveArrhythmias, CardiacRefractory Period, ElectrophysiologicalUlnar NerveHeart AtriaPeripheral NervesElectrophysiologic Techniques, CardiacAtrioventricular BlockTibial NerveAphasia, ConductionAtrial FlutterElectrodiagnosisAxonsSural NervePurkinje FibersSinoatrial NodePeripheral Nervous System DiseasesElectric StimulationSciatic NerveMotor NeuronsAtrial FunctionDiabetic NeuropathiesNAV1.5 Voltage-Gated Sodium ChannelRanvier's NodesDogsConnexin 43Peroneal NerveAtrial FibrillationCarpal Tunnel SyndromeSodium ChannelsBody Surface Potential MappingBundle-Branch BlockHeart VentriclesAnti-Arrhythmia AgentsElectromyographyModels, CardiovascularConnexinsHeartNerve Fibers, MyelinatedPolyneuropathiesElectric ConductivityTachycardiaNerve FibersGap JunctionsNeurons, AfferentTime FactorsEvoked Potentials, SomatosensoryMyelin SheathTachycardia, ParoxysmalFlecainideSpinal Nerve RootsVentricular FunctionLidocaineProcainamideDemyelinating DiseasesMyocardiumReaction TimeVoltage-Sensitive Dye ImagingBradycardiaEvoked PotentialsSick Sinus SyndromeEndocardiumMembrane PotentialsCardiac ElectrophysiologyPericardiumCardiac Complexes, PrematureElectrophysiological PhenomenaTachycardia, VentricularBrugada SyndromeMyocytes, CardiacDisopyramideHeart RateTricuspid ValvePre-Excitation SyndromesAtrial Function, RightCatsNerve BlockPulmonary VeinsMotor Neuron Disease