Tachycardia, Atrioventricular Nodal ReentryAtrial FlutterAtrioventricular NodeCatheter AblationBrugada SyndromeTachycardia, Ectopic AtrialAtrial FibrillationElectrophysiologic Techniques, CardiacTachycardiaElectrocardiographyTachycardia, SupraventricularHeart Conduction SystemCryosurgeryTachycardia, ParoxysmalTachycardia, VentricularHeart BlockBundle of HisHeart AtriaTachycardia, Sinoatrial Nodal ReentryCardiac Pacing, ArtificialAnti-Arrhythmia AgentsTachycardia, SinusCaffeineVentricular FibrillationTachycardia, Ectopic JunctionalBody Surface Potential MappingSyndromeAtrioventricular BlockArrhythmias, CardiacNAV1.5 Voltage-Gated Sodium ChannelTreatment OutcomePulmonary VeinsTachycardia, ReciprocatingAjmalineElectric CountershockFollow-Up StudiesFlecainideWolff-Parkinson-White SyndromeBundle-Branch BlockElectrophysiologyFluoroscopyRecurrenceMetaproterenolAmiodaroneProcainamideElectrocardiography, AmbulatoryPropafenoneAccessory Atrioventricular BundleAtrial Function, RightAzygos VeinDeath, Sudden, CardiacTime FactorsRefractory Period, ElectrophysiologicalProspective StudiesAtrial FunctionDefibrillators, ImplantableSodium ChannelsAtrial Premature ComplexesRetrospective StudiesAtrial AppendageHeart RateTricuspid ValvePre-Excitation SyndromesCoronary SinusDogsSyncopeAnticoagulantsSick Sinus SyndromeSinoatrial NodeCardiac ElectrophysiologyWarfarinPacemaker, ArtificialDisopyramideRisk FactorsPericarditisPostoperative ComplicationsArrhythmia, SinusEndocardiumPostural Orthostatic Tachycardia SyndromeSotalolAtrial Function, LeftPredictive Value of TestsLong QT SyndromeQuinidineHeart Defects, CongenitalHeart VentriclesAction PotentialsHeartEchocardiographyThromboembolismPericardiumCardiac CatheterizationSodium Channel BlockersCardiac Surgical ProceduresElectrocoagulationIncidenceHeart DiseasesDigoxinPre-Excitation, Mahaim-TypeHeart Septum