Atrial FlutterCatheter AblationAtrial FibrillationTricuspid ValveElectrocardiographyPropafenoneHeart AtriaAnti-Arrhythmia AgentsPericarditisHeart BlockElectrophysiologic Techniques, CardiacProcainamideElectric CountershockHeart Conduction SystemCardiac Pacing, ArtificialBody Surface Potential MappingAtrial Function, RightTachycardia, SupraventricularVena Cava, InferiorDisopyramideFlecainideAmiodaroneAtrial FunctionTachycardiaRefractory Period, ElectrophysiologicalAtrial Premature ComplexesTachycardia, Ectopic AtrialTachycardia, ParoxysmalHydrops FetalisCryosurgeryPulmonary VeinsAtrial Function, LeftElectrophysiologyTreatment OutcomeRecurrenceCoronary SinusFluoroscopyFollow-Up StudiesArrhythmias, CardiacAtrioventricular NodeCardiac CathetersButylscopolammonium BromideSick Sinus SyndromeTachycardia, Sinoatrial Nodal ReentryEchocardiography, TransesophagealFetal DiseasesElectrocardiography, AmbulatoryDogsVenae CavaeProspective StudiesEdrophoniumSotalolBundle of HisHeart DiseasesAtrial AppendageTime FactorsEchocardiographyDigoxinCardiac CatheterizationHeart Defects, CongenitalAtrial SeptumTachycardia, Atrioventricular Nodal ReentryPostoperative ComplicationsDysgeusiaSulfonamidesPacemaker, ArtificialArrhythmia, SinusSurgery, Computer-AssistedAzygos VeinRetrospective StudiesEndocardiumEquipment Design