Atrial FlutterStrokeCatheter AblationAtrial FibrillationTricuspid ValveElectrocardiographyHeart AtriaPropafenoneAnti-Arrhythmia AgentsPericarditisElectrophysiologic Techniques, CardiacHeart BlockProcainamideElectric CountershockCardiac Pacing, ArtificialHeart Conduction SystemBody Surface Potential MappingAtrial Function, RightTachycardia, SupraventricularVena Cava, InferiorDisopyramideFlecainideAtrial FunctionAmiodaroneTachycardiaTreatment OutcomeRefractory Period, ElectrophysiologicalAtrial Premature ComplexesFollow-Up StudiesTachycardia, Ectopic AtrialTachycardia, ParoxysmalRecurrenceAtrial Function, LeftHydrops FetalisCryosurgeryProspective StudiesPulmonary VeinsTime FactorsElectrophysiologyCoronary SinusFluoroscopyBrain IschemiaArrhythmias, CardiacAtrioventricular NodeEchocardiography, TransesophagealCardiac CathetersCerebrovascular DisordersSick Sinus SyndromeButylscopolammonium BromideDogsHeart DiseasesEchocardiographyTachycardia, Sinoatrial Nodal ReentryVentricular Function, LeftElectrocardiography, AmbulatoryFetal DiseasesRisk FactorsAtrial AppendageVenae CavaeRetrospective StudiesBundle of HisSotalolEdrophoniumVentricular Dysfunction, LeftCardiac CatheterizationPostoperative ComplicationsDigoxinHeart Defects, CongenitalAnticoagulantsAtrial SeptumPacemaker, ArtificialTachycardia, Atrioventricular Nodal ReentryHeart RateSulfonamidesDysgeusiaStroke VolumeArrhythmia, SinusHeart Septal Defects, AtrialSurgery, Computer-AssistedAzygos VeinIncidenceEquipment DesignEndocardiumThromboembolismCardiac Surgical ProceduresCerebral HemorrhageHypertrophy, Left VentricularCerebral InfarctionPredictive Value of Tests