Atrial FlutterAtrial FibrillationCatheter AblationHeart AtriaAnti-Arrhythmia AgentsElectrocardiographyElectric CountershockElectrophysiologic Techniques, CardiacTricuspid ValvePropafenoneHeart Conduction SystemCardiac Pacing, ArtificialPulmonary VeinsHeart BlockPericarditisAmiodaroneProcainamideBody Surface Potential MappingAtrial FunctionAtrial Function, RightRefractory Period, ElectrophysiologicalFlecainideVentricular FibrillationTachycardia, SupraventricularAtrial Premature ComplexesTachycardia, ParoxysmalTachycardiaDisopyramideAtrial AppendageAnticoagulantsTreatment OutcomeRecurrenceTachycardia, Ectopic AtrialAtrial Function, LeftFollow-Up StudiesCryosurgeryVena Cava, InferiorWarfarinAtrioventricular NodeElectrocardiography, AmbulatoryArrhythmias, CardiacSick Sinus SyndromeElectrophysiologySotalolProspective StudiesEchocardiography, TransesophagealThromboembolismTime FactorsPacemaker, ArtificialCoronary SinusDogsFluoroscopyHydrops FetalisDigoxinCardiac CathetersArrhythmia, SinusHeart DiseasesHeart RateAtrial SeptumWolff-Parkinson-White SyndromeRisk FactorsEchocardiographyPostoperative ComplicationsBundle of HisStrokeRetrospective StudiesCardiac Surgical ProceduresTachycardia, Sinoatrial Nodal ReentryEmbolismButylscopolammonium BromideCardiac CatheterizationSurgery, Computer-AssistedTachycardia, Atrioventricular Nodal ReentryFetal DiseasesSinoatrial NodeAction PotentialsIncidenceVenae CavaeEquipment Designbeta-AlanineSulfonamidesEdrophoniumEndocardiumChronic DiseaseDysgeusiaTachycardia, VentricularInternational Normalized RatioPredictive Value of TestsAtrioventricular BlockRisk AssessmentDefibrillators, ImplantableElectrodesHeart Defects, CongenitalHeart Septal Defects, AtrialMitral ValveChi-Square DistributionImpulse Control DisordersAzygos VeinBepridilInfusions, Intravenous