Atrial FlutterCatheter AblationAtrial FibrillationTricuspid ValveElectrocardiographyPropafenonePericarditisAnti-Arrhythmia AgentsHeart AtriaHeart BlockElectrophysiologic Techniques, CardiacProcainamideElectric CountershockPostoperative ComplicationsHeart Conduction SystemCardiac Pacing, ArtificialBody Surface Potential MappingAtrial Function, RightTachycardia, SupraventricularVena Cava, InferiorDisopyramideFlecainideAmiodaroneTreatment OutcomeTachycardiaAtrial FunctionRefractory Period, ElectrophysiologicalAtrial Premature ComplexesTachycardia, Ectopic AtrialFollow-Up StudiesTachycardia, ParoxysmalCryosurgeryHydrops FetalisRecurrenceFluoroscopyPulmonary VeinsRetrospective StudiesElectrophysiologyProspective StudiesArrhythmias, CardiacCoronary SinusAtrioventricular NodeCardiac CathetersTime FactorsButylscopolammonium BromideSick Sinus SyndromeAtrial Function, LeftTachycardia, Sinoatrial Nodal ReentryEchocardiography, TransesophagealFetal DiseasesElectrocardiography, AmbulatoryHeart DiseasesVenae CavaeEdrophoniumSotalolDogsBundle of HisCardiac CatheterizationAtrial AppendageDigoxinEquipment DesignSurgery, Computer-AssistedHeart Defects, CongenitalPacemaker, ArtificialAtrial SeptumTachycardia, Atrioventricular Nodal ReentrySulfonamidesIntraoperative ComplicationsDysgeusiaEchocardiographyArrhythmia, SinusAzygos VeinRisk FactorsRadiography, InterventionalThromboembolismCardiac Surgical ProceduresAnticoagulantsTherapeutic IrrigationHeart Septal Defects, Atrial