PrednisoloneCatheter AblationAblation TechniquesGlucocorticoidsAnti-Inflammatory AgentsAtrial FibrillationTreatment OutcomeAzathioprineMethylprednisoloneElectrophysiologic Techniques, CardiacPulmonary VeinsHigh-Intensity Focused Ultrasound AblationDrug Therapy, CombinationImmunosuppressive AgentsPulse Therapy, DrugBell PalsyAdministration, OralCryosurgeryTime FactorsRecurrenceLaser TherapyTachycardia, Atrioventricular Nodal ReentryBody Surface Potential MappingTachycardia, SupraventricularFollow-Up StudiesTablets, Enteric-CoatedHeart Conduction SystemHeart AtriaMicrowavesNephrotic SyndromeAtrioventricular NodeSurgery, Computer-AssistedPrednisoneDouble-Blind MethodHydrocortisoneElectrocardiographyCyclosporineCyclophosphamideTachycardia, VentricularTachycardia, Ectopic AtrialEnemaWolff-Parkinson-White SyndromeIsonipecotic AcidsPolymyalgia RheumaticaAdrenal Cortex HormonesDrug Administration SchedulePregnenedionesSulfasalazineBetamethasoneElectrocoagulationVincristineFluoroscopyProspective Studies11-HydroxycorticosteroidsRetrospective StudiesEpicardial MappingDose-Response Relationship, DrugArthritis, RheumatoidElectrodes