Atrial FibrillationCatheter AblationHeart AtriaAnti-Arrhythmia AgentsElectric CountershockPulmonary VeinsVentricular FibrillationElectrocardiographyElectrophysiologic Techniques, CardiacWarfarinAnticoagulantsAtrial FlutterAmiodaroneCardiac Pacing, ArtificialAtrial AppendagePropafenoneHeart Conduction SystemTreatment OutcomeAtrial FunctionRefractory Period, ElectrophysiologicalTachycardia, ParoxysmalBody Surface Potential MappingAtrial Premature ComplexesAtrial Function, LeftThromboembolismRecurrenceFlecainideFollow-Up StudiesStrokeElectrocardiography, AmbulatoryAtrioventricular NodePacemaker, ArtificialSick Sinus SyndromeProspective StudiesAtrial Function, RightRisk FactorsTime Factorsbeta-AlanineProcainamideSotalolCryosurgeryTachycardia, SupraventricularEchocardiography, TransesophagealTachycardiaArrhythmias, CardiacTachycardia, Ectopic AtrialHeart BlockHeart RateTricuspid ValveEmbolismInternational Normalized RatioWolff-Parkinson-White SyndromeDogsPericarditisArrhythmia, SinusDisopyramideCardiac Surgical ProceduresBepridilEchocardiographyRetrospective StudiesChronic DiseaseIncidenceAtrial SeptumRisk AssessmentHeart DiseasesPostoperative ComplicationsDigoxinHemorrhageSinoatrial NodeElectrophysiologyBradycardiaHeart FailurePredictive Value of TestsDefibrillators, ImplantableMitral ValvePericardiumHeart Valve DiseasesCoronary SinusAspirinTachycardia, VentricularFluoroscopyCardiac CathetersChi-Square DistributionFibrinolytic AgentsModels, CardiovascularAction PotentialsAtrial RemodelingCerebrovascular DisordersCardiac Complexes, PrematureAdrenergic beta-AntagonistsBundle of HisPyridonesMultivariate AnalysisBenzimidazolesEquipment DesignPrognosisCardiac CatheterizationCohort StudiesComorbidityCoronary Artery Bypass