Atrial FibrillationCatheter AblationHeart AtriaVentricular FibrillationAnti-Arrhythmia AgentsPulmonary VeinsElectric CountershockWarfarinAnticoagulantsAtrial FlutterElectrocardiographyElectrophysiologic Techniques, CardiacAtrial AppendageAmiodaroneCardiac Pacing, ArtificialHeart Conduction SystemTreatment OutcomeThromboembolismStrokeRefractory Period, ElectrophysiologicalTachycardia, ParoxysmalAtrial FunctionAtrial Function, LeftRecurrenceFollow-Up StudiesAtrial Premature ComplexesPropafenoneElectrocardiography, AmbulatoryRisk FactorsBody Surface Potential MappingProspective Studiesbeta-AlanineSotalolTime FactorsFlecainidePacemaker, ArtificialAtrioventricular NodeInternational Normalized RatioSick Sinus SyndromeEmbolismEchocardiography, TransesophagealHeart RateCryosurgeryWolff-Parkinson-White SyndromeArrhythmias, CardiacRetrospective StudiesChronic DiseaseBepridilRisk AssessmentTachycardiaHemorrhageTachycardia, Ectopic AtrialDigoxinCardiac Surgical ProceduresIncidenceDogsAtrial Function, RightTachycardia, SupraventricularPostoperative ComplicationsArrhythmia, SinusDisease ManagementEchocardiographyHeart FailurePredictive Value of TestsAtrial SeptumSinoatrial NodeHeart DiseasesHeart Valve DiseasesDefibrillators, ImplantableBradycardiaMitral ValveAspirinPericardiumProcainamideFibrinolytic AgentsCerebrovascular DisordersAtrial RemodelingChi-Square DistributionComorbidityPrognosisPyridonesElectrophysiologyBenzimidazolesAdrenergic beta-AntagonistsHeart BlockTachycardia, VentricularDisopyramideMultivariate AnalysisCohort StudiesModels, CardiovascularAge FactorsAction PotentialsCoronary Artery BypassAdministration, OralAprindineMitral Valve StenosisPractice Guidelines as TopicVitamin KPrevalenceAutonomic Denervation