Atrial FibrillationBlood PressureCatheter AblationHeart AtriaVentricular FibrillationAnti-Arrhythmia AgentsPulmonary VeinsElectric CountershockPressureWarfarinElectrocardiographyAtrial FlutterAnticoagulantsHypertensionBlood Pressure DeterminationElectrophysiologic Techniques, CardiacAtrial AppendageAmiodaroneHeart RateCardiac Pacing, ArtificialBlood Pressure Monitoring, AmbulatoryHeart Conduction SystemTreatment OutcomeStrokeFollow-Up StudiesTime FactorsThromboembolismRisk FactorsAtrial FunctionAtrial Function, LeftRefractory Period, ElectrophysiologicalProspective StudiesTachycardia, ParoxysmalRecurrenceAtrial Premature ComplexesElectrocardiography, AmbulatoryPropafenoneAntihypertensive AgentsBody Surface Potential MappingSotalolbeta-AlaninePacemaker, ArtificialFlecainideAtrioventricular NodeDogsSick Sinus SyndromeInternational Normalized RatioEmbolismEchocardiography, TransesophagealSystoleRisk AssessmentArrhythmias, CardiacHydrostatic PressureCryosurgeryEchocardiographyHemodynamicsTachycardiaWolff-Parkinson-White SyndromeChronic DiseaseRetrospective StudiesIncidenceHemorrhagePredictive Value of TestsBepridilHeart FailureDigoxinAtrial Function, RightCardiac Surgical ProceduresTachycardia, Ectopic AtrialArrhythmia, SinusBlood Pressure MonitorsBradycardiaDiastoleTachycardia, SupraventricularCohort StudiesAge FactorsHeart DiseasesPostoperative ComplicationsAdrenergic beta-AntagonistsSinoatrial NodeCerebrovascular DisordersAtrial SeptumDouble-Blind MethodMitral ValveModels, CardiovascularHeart Valve DiseasesAspirinMultivariate AnalysisDefibrillators, ImplantablePericardiumPrevalenceBenzimidazolesArterial PressureHypotensionAutonomic Nervous SystemChi-Square DistributionPulseHeartComorbidityTelemetry