Tachycardia, Ectopic AtrialTachycardiaTachycardia, SupraventricularTachycardia, VentricularCatheter AblationTachycardia, ParoxysmalTachycardia, Atrioventricular Nodal ReentryElectrophysiologic Techniques, CardiacTachycardia, SinusElectrocardiographyHeart AtriaTachycardia, Sinoatrial Nodal ReentryHeart Conduction SystemBody Surface Potential MappingCardiac Pacing, ArtificialBundle of HisAtrial FibrillationAtrial FlutterUltrasonic Surgical ProceduresAnti-Arrhythmia AgentsTachycardia, Ectopic JunctionalAtrioventricular NodeMandibular FracturesPulmonary VeinsPostural Orthostatic Tachycardia SyndromeTachycardia, ReciprocatingCoronary SinusArrhythmias, CardiacParacoccidioidomycosisFollow-Up StudiesWolff-Parkinson-White SyndromeHistiocytosis, Langerhans-CellAtrial Function, RightCryosurgeryElectrocardiography, AmbulatoryFlecainideParacoccidioidesHeart RateHeart BlockAmiodaroneTreatment OutcomeElectrophysiologyRetrospective StudiesDogsStellate GanglionDefibrillators, ImplantableVentricular FibrillationRecurrenceSinoatrial NodeRefractory Period, ElectrophysiologicalAtrial Premature ComplexesAtrial FunctionArrhythmia, SinusPacemaker, ArtificialVentricular Premature ComplexesTime FactorsProcainamideEndocardiumAtrial AppendageBundle-Branch BlockPre-Excitation SyndromesFluoroscopyBee VenomsAccessory Atrioventricular BundleHeart VentriclesCardiac Complexes, PrematureHeart Defects, CongenitalDeath, Sudden, CardiacElectric CountershockSyncopeHeartEpicardial MappingPrognosisPostoperative ComplicationsElectrodesFontan ProcedureAminophyllineEchocardiographyMitral ValveProspective StudiesAdenosineCardiac Surgical ProceduresNeoplasm Recurrence, LocalSotalolPredictive Value of TestsBreast NeoplasmsHydrops FetalisArrhythmogenic Right Ventricular DysplasiaDisease Models, AnimalCardiomyopathiesAction PotentialsReoperationPericardiumAdrenergic beta-AntagonistsCardiac ElectrophysiologyPropafenoneBradycardiaBlood PressurePre-Excitation, Mahaim-TypeVerapamil