Atrial FlutterTachycardia, Ectopic AtrialCatheter AblationTachycardiaTachycardia, SupraventricularElectrophysiologic Techniques, CardiacAtrial FibrillationElectrocardiographyHeart AtriaTachycardia, VentricularTachycardia, Atrioventricular Nodal ReentryTachycardia, ParoxysmalBody Surface Potential MappingHeart Conduction SystemPulmonary VeinsCardiac Pacing, ArtificialAnti-Arrhythmia AgentsTachycardia, Sinoatrial Nodal ReentryCatheters, IndwellingAtrioventricular NodeWolff-Parkinson-White SyndromeBundle of HisHeart BlockTricuspid ValveTachycardia, SinusAtrial Function, RightTreatment OutcomeCoronary SinusCryosurgeryRecurrenceFluoroscopyFollow-Up StudiesCathetersArrhythmias, CardiacElectric CountershockAtrial Premature ComplexesElectrocardiography, AmbulatoryFlecainideAtrial FunctionElectrophysiologyPropafenoneProcainamideAmiodaroneCardiac CathetersRefractory Period, ElectrophysiologicalTachycardia, Ectopic JunctionalPericarditisVentricular Premature ComplexesTime FactorsDogsAtrial AppendageVena Cava, InferiorSurgery, Computer-AssistedElectrocoagulationAccessory Atrioventricular BundleSinoatrial NodeProspective StudiesPacemaker, ArtificialEndocardiumHeart RateRetrospective StudiesEquipment DesignAblation TechniquesDisopyramideEpicardial MappingPostoperative ComplicationsArrhythmia, SinusElectrodesCatheterizationCardiac CatheterizationAtrial Function, LeftEchocardiographyDefibrillators, ImplantableHeart Defects, CongenitalCardiac Surgical ProceduresHydrops FetalisStellate GanglionEchocardiography, TransesophagealRadiography, InterventionalPericardiumPostural Orthostatic Tachycardia SyndromePre-Excitation, Mahaim-TypeHeart SeptumAzygos VeinVentricular FibrillationTachycardia, ReciprocatingCardiac Complexes, PrematureMitral ValveAtrial SeptumPredictive Value of TestsRadio WavesFeasibility StudiesHeart DiseasesHeart VentriclesTherapeutic IrrigationReoperationCatheterization, Central VenousAtrioventricular BlockSotalolPulmonary Veno-Occlusive Disease