Atrial FlutterAtrial FibrillationCatheter AblationElectrocardiographyVentricular FibrillationAnti-Arrhythmia AgentsHeart AtriaElectric CountershockTricuspid ValveElectrophysiologic Techniques, CardiacPropafenoneHeart Conduction SystemCardiac Pacing, ArtificialProcainamidePericarditisHeart BlockBody Surface Potential MappingAmiodaronePulmonary VeinsAtrial Function, RightTachycardia, SupraventricularFlecainideAtrial FunctionRefractory Period, ElectrophysiologicalDisopyramideTachycardiaAtrial Premature ComplexesTachycardia, ParoxysmalVena Cava, InferiorTreatment OutcomeTachycardia, Ectopic AtrialRecurrenceCryosurgeryArrhythmias, CardiacAtrial AppendageFollow-Up StudiesAtrial Function, LeftAnticoagulantsAtrioventricular NodeElectrocardiography, AmbulatoryElectrophysiologySick Sinus SyndromeSotalolProspective StudiesHydrops FetalisEchocardiography, TransesophagealCoronary SinusDogsTime FactorsFluoroscopyWarfarinPacemaker, ArtificialCardiac CathetersThromboembolismDigoxinHeart DiseasesHeart RateArrhythmia, SinusTachycardia, Sinoatrial Nodal ReentryAtrial SeptumPostoperative ComplicationsButylscopolammonium BromideBundle of HisEchocardiographyWolff-Parkinson-White SyndromeRetrospective StudiesTachycardia, VentricularFetal DiseasesVenae CavaeRisk FactorsCardiac Surgical ProceduresCardiac CatheterizationEndocardiumEdrophoniumSurgery, Computer-AssistedTachycardia, Atrioventricular Nodal ReentrySulfonamidesEquipment DesignEmbolismDefibrillators, ImplantableDysgeusiaStrokeHeart Defects, CongenitalIncidenceSinoatrial NodeAtrioventricular BlockHeart Septal Defects, AtrialAzygos VeinElectrodesAction PotentialsChronic DiseasePredictive Value of Tests