Heart AtriaMyocardiumHeart Conduction SystemAtrial AppendageAtrial FunctionNeural ConductionAtrial FibrillationSinoatrial NodeAtrioventricular NodeMyocardial ContractionHeartMyocytes, CardiacHeart VentriclesPulmonary VeinsCardiac Pacing, ArtificialMyocardial StunningHeart BlockElectrocardiographyDogsAction PotentialsArrhythmias, CardiacBone ConductionMyocardial IschemiaMedian NerveRefractory Period, ElectrophysiologicalMyocardial InfarctionElectrophysiologic Techniques, CardiacElectrophysiologyCoronary CirculationUlnar NerveVentricular FunctionPericardiumMyocardial Reperfusion InjuryTime FactorsPeripheral NervesModels, CardiovascularConnexin 43Atrioventricular BlockElectric StimulationTibial NerveCatheter AblationCardiomyopathiesAphasia, ConductionAtrial FlutterElectrodiagnosisAxonsSural NervePurkinje FibersWolff-Parkinson-White SyndromeBody Surface Potential MappingMyocardial ReperfusionPeripheral Nervous System DiseasesCardiotonic AgentsAnti-Arrhythmia AgentsVentricular Function, LeftNAV1.5 Voltage-Gated Sodium ChannelCardiomyopathy, DilatedSciatic NerveVentricular RemodelingMotor NeuronsEchocardiographyConnexinsDiabetic NeuropathiesSodium ChannelsDisease Models, AnimalHemodynamicsGap JunctionsHeart RateRanvier's NodesTachycardia, Atrioventricular Nodal ReentryBundle-Branch BlockRabbitsPeroneal NerveTachycardiaCoronary VesselsCarpal Tunnel SyndromeCardiomegalyRats, Sprague-DawleyElectric ConductivityHeart FailurePerfusionTissue SurvivalElectromyographyNerve Fibers, MyelinatedTachycardia, SupraventricularVentricular Dysfunction, LeftCardiac Complexes, PrematureCoronary DiseaseRats, WistarNerve FibersPolyneuropathiesIsolated Noncompaction of the Ventricular MyocardiumVoltage-Sensitive Dye ImagingSwineMyocarditisTachycardia, VentricularHeart SeptumNeurons, AfferentCalciumFlecainide