Atrial FlutterAtrial FibrillationHeart AtriaCatheter AblationAnti-Arrhythmia AgentsElectric CountershockElectrocardiographyPulmonary VeinsElectrophysiologic Techniques, CardiacHeart Conduction SystemCardiac Pacing, ArtificialVentricular FibrillationPropafenoneAmiodaroneAtrial FunctionTricuspid ValveBody Surface Potential MappingAnticoagulantsRefractory Period, ElectrophysiologicalAtrial AppendageHeart BlockWarfarinAtrial Function, RightProcainamidePericarditisTachycardia, ParoxysmalFlecainideAtrial Premature ComplexesTreatment OutcomeAtrial Function, LeftTachycardia, SupraventricularRecurrenceTachycardiaFollow-Up StudiesAtrioventricular NodeTachycardia, Ectopic AtrialThromboembolismCryosurgeryElectrocardiography, AmbulatoryDisopyramideSick Sinus SyndromeSotalolArrhythmias, CardiacEchocardiography, TransesophagealProspective StudiesPacemaker, ArtificialTime FactorsElectrophysiologyDogsStrokeVena Cava, InferiorHeart RateRisk FactorsWolff-Parkinson-White SyndromeDigoxinCoronary SinusArrhythmia, SinusAtrial SeptumEchocardiographyHeart DiseasesEmbolismCardiac Surgical ProceduresFluoroscopySinoatrial Nodebeta-AlaninePostoperative ComplicationsRetrospective StudiesCardiac CathetersAction PotentialsBundle of HisInternational Normalized RatioIncidenceChronic DiseaseHydrops FetalisRisk AssessmentImpulse Control DisordersCardiac CatheterizationMitral ValveBepridilPredictive Value of TestsEndocardiumHeartSurgery, Computer-AssistedDefibrillators, ImplantableTachycardia, Sinoatrial Nodal ReentryEquipment DesignTachycardia, Atrioventricular Nodal ReentryHemorrhageTachycardia, VentricularPericardiumHeart FailureBradycardiaChi-Square DistributionHeart VentriclesHeart Valve DiseasesSulfonamidesAtrioventricular BlockElectrodesHeart Septal Defects, AtrialModels, Cardiovascular