Atrial FlutterAtrial FibrillationCatheter AblationHeart AtriaAnti-Arrhythmia AgentsElectric CountershockElectrocardiographyElectrophysiologic Techniques, CardiacPulmonary VeinsCardiac Pacing, ArtificialHeart Conduction SystemVentricular FibrillationPropafenoneAmiodaroneTricuspid ValveBody Surface Potential MappingAnticoagulantsAtrial AppendageWarfarinAtrial FunctionProcainamideHeart BlockRefractory Period, ElectrophysiologicalPericarditisFlecainideTachycardia, ParoxysmalAtrial Premature ComplexesTreatment OutcomeAtrial Function, RightTachycardia, SupraventricularRecurrenceAtrial Function, LeftFollow-Up StudiesTachycardiaElectrocardiography, AmbulatoryThromboembolismCryosurgeryDisopyramideTachycardia, Ectopic AtrialAtrioventricular NodeSotalolSick Sinus SyndromeProspective StudiesTime FactorsArrhythmias, CardiacEchocardiography, TransesophagealPacemaker, ArtificialStrokeVena Cava, InferiorRisk FactorsDogsElectrophysiologyHeart RateDigoxinWolff-Parkinson-White SyndromeEmbolismArrhythmia, SinusCoronary SinusHeart DiseasesEchocardiographyRetrospective StudiesAtrial Septumbeta-AlanineFluoroscopyCardiac Surgical ProceduresPostoperative ComplicationsCardiac CathetersInternational Normalized RatioSensitivity and SpecificityIncidenceChronic DiseasePredictive Value of TestsHydrops FetalisSinoatrial NodeRisk AssessmentBundle of HisBepridilEquipment DesignDefibrillators, ImplantableCardiac CatheterizationSurgery, Computer-AssistedMitral ValveHemorrhageTachycardia, Sinoatrial Nodal ReentryTachycardia, VentricularEndocardiumChi-Square DistributionHeart FailureTachycardia, Atrioventricular Nodal ReentryBradycardiaAction PotentialsAtrioventricular BlockElectrodesSulfonamidesPericardiumButylscopolammonium BromideHeart Valve DiseasesFetal DiseasesAspirinMultivariate Analysis