Atrial FlutterCatheter AblationAtrial FibrillationTricuspid ValveElectrocardiographyPropafenonePericarditisAnti-Arrhythmia AgentsHeart AtriaHeart BlockElectrophysiologic Techniques, CardiacProcainamideElectric CountershockHeart Conduction SystemCardiac Pacing, ArtificialBody Surface Potential MappingAtrial Function, RightTachycardia, SupraventricularVena Cava, InferiorDisopyramideFlecainideAmiodaroneTachycardiaAtrial FunctionRefractory Period, ElectrophysiologicalAtrial Premature ComplexesTachycardia, Ectopic AtrialTachycardia, ParoxysmalHydrops FetalisCryosurgeryTreatment OutcomeFollow-Up StudiesRecurrencePulmonary VeinsElectrophysiologyFluoroscopyCoronary SinusArrhythmias, CardiacAtrioventricular NodeCardiac CathetersProspective StudiesButylscopolammonium BromideSick Sinus SyndromeAtrial Function, LeftTachycardia, Sinoatrial Nodal ReentryFetal DiseasesEchocardiography, TransesophagealElectrocardiography, AmbulatoryTime FactorsVenae CavaeEdrophoniumSotalolDogsBundle of HisHeart DiseasesAtrial AppendageDigoxinPostoperative ComplicationsRetrospective StudiesDysgeusiaTachycardia, Atrioventricular Nodal ReentryArrhythmia, SinusAtrial SeptumHeart Defects, CongenitalSulfonamidesCardiac CatheterizationPacemaker, ArtificialSurgery, Computer-AssistedAzygos VeinEchocardiographyEquipment Design