Atrial FlutterTachycardiaCatheter AblationTachycardia, VentricularTachycardia, SupraventricularElectrocardiographyTachycardia, ParoxysmalAtrial FibrillationTachycardia, Ectopic AtrialTachycardia, Atrioventricular Nodal ReentryElectrophysiologic Techniques, CardiacAnti-Arrhythmia AgentsTricuspid ValveHeart Conduction SystemCardiac Pacing, ArtificialHeart AtriaHeart BlockPropafenoneProcainamideBody Surface Potential MappingTachycardia, SinusElectric CountershockPericarditisFlecainideAtrial Function, RightTachycardia, Sinoatrial Nodal ReentryAmiodaroneAtrioventricular NodeDisopyramideArrhythmias, CardiacTachycardia, Ectopic JunctionalVena Cava, InferiorCryosurgeryAtrial FunctionBundle of HisRefractory Period, ElectrophysiologicalAtrial Premature ComplexesHydrops FetalisPostural Orthostatic Tachycardia SyndromeElectrophysiologyTreatment OutcomeFollow-Up StudiesElectrocardiography, AmbulatoryRecurrenceTachycardia, ReciprocatingPulmonary VeinsHeart RateWolff-Parkinson-White SyndromeCoronary SinusFluoroscopySotalolDogsFetal DiseasesEndocardiumSick Sinus SyndromeCardiac CathetersProspective StudiesTime FactorsDigoxinPacemaker, ArtificialButylscopolammonium BromideAtrial Function, LeftVentricular FibrillationDefibrillators, ImplantableEchocardiography, TransesophagealCardiac CatheterizationHeart DiseasesEdrophoniumEchocardiographyHeart Defects, CongenitalRetrospective StudiesPostoperative ComplicationsVenae CavaeArrhythmia, SinusAtrial AppendageAtrioventricular BlockSurgery, Computer-AssistedAtrial SeptumSulfonamidesAzygos VeinHeart VentriclesDysgeusiaCardiac Complexes, PrematureEquipment DesignCardiac Surgical ProceduresVentricular Premature ComplexesElectrocoagulationCardiomyopathiesSinoatrial NodeElectrodesHeart Septal Defects, AtrialHeartTherapeutic IrrigationHeart Septum