Neoplasm Recurrence, LocalTachycardiaLymphatic MetastasisTachycardia, VentricularTachycardia, SupraventricularRecurrenceTachycardia, Atrioventricular Nodal ReentryTachycardia, ParoxysmalTachycardia, Ectopic AtrialTachycardia, SinusCatheter AblationElectrocardiographyTachycardia, Ectopic JunctionalPostural Orthostatic Tachycardia SyndromeTachycardia, ReciprocatingElectrophysiologic Techniques, CardiacTachycardia, Sinoatrial Nodal ReentryHeart Conduction SystemCardiac Pacing, ArtificialAnti-Arrhythmia AgentsAtrioventricular NodeBundle of HisBody Surface Potential MappingTreatment OutcomeFollow-Up StudiesArrhythmias, CardiacVentricular FibrillationWolff-Parkinson-White SyndromeHeart RateCryosurgeryRetrospective StudiesAmiodaroneDefibrillators, ImplantableElectrocardiography, AmbulatoryHeart AtriaFlecainideVentricular Premature ComplexesAtrial FlutterTime FactorsPrognosisProcainamideEndocardiumHeart BlockElectric CountershockBundle-Branch BlockAtrial FibrillationPre-Excitation SyndromesAccessory Atrioventricular BundleHeart VentriclesCardiac Complexes, PrematureSyncopeElectrophysiologyDeath, Sudden, CardiacEpicardial MappingProspective StudiesSotalolRisk FactorsPredictive Value of TestsArrhythmogenic Right Ventricular DysplasiaDogsHydrops FetalisCardiomyopathiesPostoperative ComplicationsPacemaker, ArtificialSurvival RateCombined Modality TherapyPropafenoneDisease-Free SurvivalNeoplasm StagingPulmonary VeinsPericardiumSurvival AnalysisAdrenergic beta-AntagonistsBradycardiaElectrocoagulationCardiac ElectrophysiologyBlood PressureAtrioventricular BlockVerapamilTilt-Table TestPre-Excitation, Mahaim-TypeHeartKaplan-Meier EstimateHemodynamicsPropranololMyocardial InfarctionBreast NeoplasmsSinoatrial NodeDigoxinAtrial Premature ComplexesRisk AssessmentCicatrixEchocardiographyMexiletineCardiac CatheterizationAtrial Function, RightVentricular DysfunctionCalsequestrinProportional Hazards ModelsLiver Neoplasms