Atrioventricular NodeCatchment Area (Health)Bundle of HisTachycardia, Atrioventricular Nodal ReentryHeart BlockSinoatrial NodeElectrocardiographyCardiac Pacing, ArtificialNeural ConductionArrhythmias, CardiacCatheter AblationSyndromeElectrophysiologic Techniques, CardiacNAV1.5 Voltage-Gated Sodium ChannelTachycardia, ParoxysmalPurkinje FibersHeart AtriaWolff-Parkinson-White SyndromeTachycardiaLymph NodesHeartMyocytes, CardiacAtrioventricular BlockConnexinsTachycardia, SupraventricularCardiac ElectrophysiologyHeart VentriclesAction PotentialsMyocardiumAnti-Arrhythmia AgentsElectrophysiologyModels, CardiovascularPacemaker, ArtificialAtrial FibrillationAtrial FunctionTachycardia, Ectopic JunctionalSodium ChannelsSinus Arrest, CardiacSick Sinus SyndromeRefractory Period, ElectrophysiologicalDogsBrugada SyndromeHeart RateAtrial FlutterElectrocoagulationDeath, Sudden, CardiacConnexin 43Kearns-Sayre SyndromeHeart SeptumTime FactorsMyotonic DystrophyRabbitsBradycardiaTachycardia, Ectopic AtrialVagus NerveSp4 Transcription FactorUltimobranchial BodyBody Surface Potential MappingRadio WavesFollow-Up StudiesBundle-Branch BlockHeart DiseasesCardiac OutputGap JunctionsLong QT SyndromeT-Box Domain ProteinsTreatment OutcomeHeart NeoplasmsMutationVentricular FunctionPhenotypeTricuspid ValveDown SyndromeCardiomyopathy, DilatedMice, TransgenicMetabolic Syndrome XMicroelectrodesElectric StimulationPedigreeMuscle ProteinsMuscular Dystrophy, Emery-DreifussCardiac Surgical ProceduresLymph Node ExcisionDisease Models, AnimalLamin Type AGene Expression Regulation, DevelopmentalRetrospective StudiesLac OperonRanvier's NodesAdenosineSentinel Lymph Node BiopsyMembrane PotentialsMedian NerveAtropineBone Conduction