Atrial FlutterCatheter AblationCatheters, IndwellingAtrial FibrillationCathetersElectrophysiologic Techniques, CardiacElectrocardiographyTachycardia, SupraventricularHeart AtriaBody Surface Potential MappingHeart Conduction SystemPulmonary VeinsTricuspid ValveTachycardia, Ectopic AtrialWolff-Parkinson-White SyndromeAnti-Arrhythmia AgentsTachycardia, Atrioventricular Nodal ReentryCardiac CathetersAtrioventricular NodeCardiac Pacing, ArtificialHeart BlockTachycardia, VentricularTreatment OutcomeFluoroscopyTachycardiaTachycardia, ParoxysmalElectric CountershockRecurrenceCatheterizationAtrial Function, RightPropafenoneCryosurgeryPericarditisFollow-Up StudiesTachycardia, Sinoatrial Nodal ReentryProcainamideVena Cava, InferiorCatheterization, Central VenousSurgery, Computer-AssistedAtrial Premature ComplexesArrhythmias, CardiacElectrocoagulationVentricular Premature ComplexesCoronary SinusBundle of HisAtrial FunctionEquipment DesignElectrophysiologyAblation TechniquesTime FactorsAmiodaroneCardiac CatheterizationAccessory Atrioventricular BundleAtrial Function, LeftProspective StudiesElectrocardiography, AmbulatoryRefractory Period, ElectrophysiologicalDisopyramideFlecainideCentral Venous CathetersRadiography, InterventionalEndocardiumEpicardial MappingEchocardiography, TransesophagealCatheterization, PeripheralRetrospective StudiesAtrial AppendageUrinary CatheterizationAzygos VeinTherapeutic IrrigationAtrial SeptumHeart SeptumFeasibility StudiesElectrodesRadio WavesPericardiumEquipment FailurePre-Excitation, Mahaim-TypeDogsUrinary CathetersHeart DiseasesPostoperative ComplicationsEchocardiographyHydrops FetalisPulmonary Veno-Occlusive DiseaseTachycardia, Ectopic JunctionalPacemaker, ArtificialCatheter-Related InfectionsAnticoagulantsCardiac Surgical ProceduresCardiac Complexes, PrematureAtrioventricular BlockHeart Defects, CongenitalHeart RateThromboembolismSinoatrial NodeVena Cava, SuperiorSick Sinus SyndromeVenae CavaeTachycardia, Sinus