Atrial FibrillationCatheter AblationHeart AtriaPulmonary VeinsAnti-Arrhythmia AgentsVentricular FibrillationElectric CountershockWarfarinElectrophysiologic Techniques, CardiacElectrocardiographyAtrial FlutterAnticoagulantsAtrial AppendageHeart Conduction SystemAmiodaroneCardiac Pacing, ArtificialTreatment OutcomeAblation TechniquesTachycardia, ParoxysmalRecurrenceFollow-Up StudiesThromboembolismBody Surface Potential MappingStrokeAtrial FunctionRefractory Period, ElectrophysiologicalAtrial Function, LeftAtrial Premature ComplexesTime FactorsElectrocardiography, AmbulatoryAtrioventricular NodeCryosurgeryPropafenoneProspective StudiesRisk FactorsPacemaker, Artificialbeta-AlanineSotalolFlecainideWolff-Parkinson-White SyndromeSick Sinus SyndromeTachycardia, SupraventricularInternational Normalized RatioEchocardiography, TransesophagealTachycardia, Ectopic AtrialEmbolismHeart RateArrhythmias, CardiacTachycardiaCardiac Surgical ProceduresRetrospective StudiesPostoperative ComplicationsDogsBepridilRisk AssessmentChronic DiseaseHemorrhageAtrial Function, RightIncidenceDigoxinEchocardiographyArrhythmia, SinusAtrial SeptumPredictive Value of TestsPericardiumTachycardia, VentricularSinoatrial NodeMitral ValveHeart FailureHeart Valve DiseasesHeart DiseasesDefibrillators, ImplantableBradycardiaSurgery, Computer-AssistedFluoroscopyAspirinHeart BlockElectrophysiologyProcainamideEquipment DesignChi-Square DistributionEpicardial MappingAtrial RemodelingFeasibility StudiesFibrinolytic AgentsCoronary SinusCerebrovascular DisordersCardiac CathetersAutonomic DenervationTachycardia, Atrioventricular Nodal ReentryPulmonary Veno-Occlusive DiseaseBenzimidazolesModels, CardiovascularPyridonesMultivariate AnalysisComorbidityAction PotentialsPrognosisAge FactorsCohort Studies