Atrial FlutterAtrial FibrillationCatheter AblationHeart Conduction SystemHeart AtriaAnti-Arrhythmia AgentsElectrocardiographyElectric CountershockElectrophysiologic Techniques, CardiacPulmonary VeinsCardiac Pacing, ArtificialNeural ConductionVentricular FibrillationPropafenoneAmiodaroneTricuspid ValveHeart BlockBody Surface Potential MappingRefractory Period, ElectrophysiologicalAtrial FunctionAnticoagulantsAtrial AppendageProcainamideAtrioventricular NodeWarfarinFlecainideTachycardia, ParoxysmalPericarditisAtrial Premature ComplexesAtrial Function, RightTachycardia, SupraventricularTreatment OutcomeTachycardiaAtrial Function, LeftRecurrenceFollow-Up StudiesArrhythmias, CardiacDisopyramideElectrocardiography, AmbulatoryCryosurgeryTachycardia, Ectopic AtrialSick Sinus SyndromeThromboembolismSotalolTime FactorsProspective StudiesElectrophysiologyEchocardiography, TransesophagealPacemaker, ArtificialDogsWolff-Parkinson-White SyndromeStrokeVena Cava, InferiorHeart RateRisk FactorsDigoxinArrhythmia, SinusCoronary SinusHeart DiseasesAtrial SeptumEmbolismEchocardiographySinoatrial NodeAction Potentialsbeta-AlanineRetrospective StudiesFluoroscopyPostoperative ComplicationsCardiac Surgical ProceduresCardiac CathetersInternational Normalized RatioAtrioventricular BlockIncidenceChronic DiseaseTachycardia, Atrioventricular Nodal ReentryHydrops FetalisBundle of HisRisk AssessmentTachycardia, VentricularEndocardiumBepridilCardiac CatheterizationBradycardiaPredictive Value of TestsTachycardia, Sinoatrial Nodal ReentryDefibrillators, ImplantableMitral ValvePericardiumSurgery, Computer-AssistedHemorrhageEquipment DesignHeart FailureModels, CardiovascularHeartHeart VentriclesChi-Square DistributionElectrodesSulfonamidesHeart Valve DiseasesCardiac Complexes, Premature