Atrial FlutterAtrial FibrillationCatheter AblationHeart AtriaAnti-Arrhythmia AgentsElectrocardiographyElectric CountershockElectrophysiologic Techniques, CardiacTricuspid ValvePropafenoneCardiac Pacing, ArtificialHeart Conduction SystemPulmonary VeinsPericarditisHeart BlockAmiodaroneProcainamideBody Surface Potential MappingAtrial FunctionAtrial Function, RightFlecainideTachycardia, SupraventricularVentricular FibrillationRefractory Period, ElectrophysiologicalAtrial Premature ComplexesTachycardia, ParoxysmalTachycardiaDisopyramideAtrial AppendageAnticoagulantsTreatment OutcomeRecurrenceTachycardia, Ectopic AtrialAtrial Function, LeftFollow-Up StudiesCryosurgeryVena Cava, InferiorWarfarinAtrioventricular NodeElectrocardiography, AmbulatorySick Sinus SyndromeArrhythmias, CardiacSotalolProspective StudiesEchocardiography, TransesophagealThromboembolismElectrophysiologyTime FactorsPacemaker, ArtificialCoronary SinusFluoroscopyDogsHydrops FetalisDigoxinCardiac CathetersHeart DiseasesHeart RateArrhythmia, SinusAtrial SeptumPostoperative ComplicationsRisk FactorsWolff-Parkinson-White SyndromeEchocardiographyRetrospective StudiesStrokeCardiac Surgical ProceduresBundle of HisTachycardia, Sinoatrial Nodal ReentryEmbolismButylscopolammonium BromideCardiac CatheterizationSurgery, Computer-AssistedFetal DiseasesIncidenceTachycardia, Atrioventricular Nodal ReentryVenae Cavaebeta-AlanineSinoatrial NodeEquipment DesignSulfonamidesEdrophoniumEndocardiumChronic DiseaseDysgeusiaRisk AssessmentTachycardia, VentricularInternational Normalized RatioAtrioventricular BlockPredictive Value of TestsDefibrillators, ImplantableGene ConversionHeart Defects, CongenitalHeart Septal Defects, AtrialMitral ValveElectrodesChi-Square DistributionAction PotentialsAzygos VeinBepridilInfusions, Intravenous