Atrial FlutterCatheter AblationAtrial FibrillationCardiac Pacing, ArtificialPulmonary VeinsTricuspid ValveElectrocardiographyFollow-Up StudiesPropafenoneAnti-Arrhythmia AgentsHeart AtriaPericarditisElectrophysiologic Techniques, CardiacHeart BlockProcainamideElectric CountershockHeart Conduction SystemRefractory Period, ElectrophysiologicalBody Surface Potential MappingAtrial Function, RightTachycardia, SupraventricularDisopyramideFlecainideVena Cava, InferiorAmiodaroneTachycardiaAtrial FunctionAtrial Premature ComplexesTreatment OutcomeTachycardia, Ectopic AtrialTachycardia, ParoxysmalRecurrenceCryosurgeryHydrops FetalisElectrophysiologyAtrioventricular NodeArrhythmias, CardiacFluoroscopyCoronary SinusCardiac CathetersAtrial Function, LeftSick Sinus SyndromeTachycardia, Sinoatrial Nodal ReentryButylscopolammonium BromideAnemia, RefractoryProspective StudiesElectrocardiography, AmbulatoryFetal DiseasesSotalolBundle of HisEchocardiography, TransesophagealDogsVenae CavaeTime FactorsEdrophoniumHeart DiseasesAtrial AppendageTachycardia, Atrioventricular Nodal ReentryDigoxinRetrospective StudiesSulfonamidesPostoperative ComplicationsDysgeusiaHeart Defects, CongenitalAtrial SeptumPacemaker, ArtificialCardiac CatheterizationAzygos VeinArrhythmia, SinusSurgery, Computer-AssistedEchocardiographyInfusions, IntravenousEquipment DesignEndocardium