Atrial FlutterCardiologyCatheter AblationAtrial FibrillationTricuspid ValveElectrocardiographyPropafenoneAnti-Arrhythmia AgentsPericarditisHeart AtriaHeart BlockElectrophysiologic Techniques, CardiacProcainamideElectric CountershockCardiac Pacing, ArtificialHeart Conduction SystemBody Surface Potential MappingAtrial Function, RightTachycardia, SupraventricularVena Cava, InferiorDisopyramideFlecainideCardiology Service, HospitalAmiodaroneTachycardiaAtrial FunctionRefractory Period, ElectrophysiologicalAtrial Premature ComplexesTachycardia, Ectopic AtrialTachycardia, ParoxysmalHydrops FetalisTreatment OutcomeCryosurgeryHeart DiseasesArrhythmias, CardiacFluoroscopyRecurrenceFollow-Up StudiesPulmonary VeinsElectrophysiologyAtrioventricular NodeCoronary SinusCardiac CathetersProspective StudiesButylscopolammonium BromideAtrial Function, LeftSick Sinus SyndromeHeart Defects, CongenitalTachycardia, Sinoatrial Nodal ReentryFetal DiseasesElectrocardiography, AmbulatoryEchocardiography, TransesophagealCardiac CatheterizationTime FactorsVenae CavaeSocieties, MedicalEdrophoniumSotalolEchocardiographyBundle of HisDogsRetrospective StudiesAtrial AppendagePacemaker, ArtificialPostoperative ComplicationsDigoxinAmerican Heart AssociationTachycardia, Atrioventricular Nodal ReentryDysgeusiaAtrial SeptumEquipment DesignSulfonamidesArrhythmia, SinusSurgery, Computer-AssistedAzygos VeinCardiac Surgical ProceduresRadiography, InterventionalHeart Septal Defects, AtrialAnticoagulants