Atrial FlutterCatheter AblationAtrial FibrillationTricuspid ValveElectrocardiographyPropafenonePericarditisAnti-Arrhythmia AgentsHeart AtriaHeart BlockElectrophysiologic Techniques, CardiacProcainamideElectric CountershockHeart Conduction SystemCardiac Pacing, ArtificialBody Surface Potential MappingAtrial Function, RightTachycardia, SupraventricularVena Cava, InferiorDisopyramideAmiodaroneFlecainideAtrial FunctionTachycardiaRefractory Period, ElectrophysiologicalAtrial Premature ComplexesTachycardia, Ectopic AtrialTachycardia, ParoxysmalHydrops FetalisCryosurgeryElectrophysiologyPulmonary VeinsTreatment OutcomeRecurrenceCoronary SinusFluoroscopyAtrioventricular NodeArrhythmias, CardiacFollow-Up StudiesCardiac CathetersTime FactorsButylscopolammonium BromideAtrial Function, LeftSick Sinus SyndromeTachycardia, Sinoatrial Nodal ReentryFetal DiseasesEchocardiography, TransesophagealElectrocardiography, AmbulatoryVenae CavaeEdrophoniumSotalolProspective StudiesBundle of HisDogsSulfonamidesHeart DiseasesAtrial AppendageDigoxinTachycardia, Atrioventricular Nodal ReentryDysgeusiaAtrial SeptumHeart Defects, CongenitalHeart RateArrhythmia, SinusPostoperative ComplicationsSurgery, Computer-AssistedCardiac CatheterizationAzygos VeinPacemaker, ArtificialEchocardiographyRetrospective Studies