Rheumatic DiseasesRheumatic FeverRheumatic Heart DiseaseRheumatic NoduleChoreaMitral Valve StenosisArthritis, RheumatoidStreptococcus pyogenesAntistreptolysinHeart Valve DiseasesPharyngitisLupus Erythematosus, SystemicArthritisStreptococcal InfectionsPenicillin G BenzathineMitral Valve InsufficiencySpondylitis, AnkylosingMitral ValveRheumatologyAutoimmune DiseasesArthritis, ReactiveNorthern TerritoryMyocarditisGrenadaConnective Tissue DiseasesSpondylitisArthritis, JuvenileAutoantibodiesAntirheumatic AgentsTropaeolaceaeScleroderma, SystemicHeart ValvesAcute DiseaseAortic Valve InsufficiencySjogren's SyndromeImmunoglobulin GRheumatoid FactorStereoisomerismOsteoarthritisMixed Connective Tissue DiseaseGoutAntibodies, MonoclonalBalloon ValvuloplastyArthritis, PsoriaticChordae TendineaeHeart MurmursClimatotherapyMagnetic Resonance SpectroscopyIndiaEnzyme-Linked Immunosorbent AssayNucleic Acid ConformationSynovial FluidHeart Valve Prosthesis ImplantationOceanic Ancestry GroupMitral Valve ProlapseMolecular MimicryHeart Valve ProsthesisFibromyalgiaMolecular ConformationMolecular StructurePyodermaEchocardiographyAortic ValveModels, MolecularStreptococcusStreptococcal VaccinesAntigens, BacterialAntibodiesPrevalenceSpondylarthropathiesVasculitisMicroscopic AngioscopyTreatment OutcomeRetrospective StudiesHand Deformities, AcquiredEndocarditis, Subacute BacterialHLA-B27 AntigenPolymyalgia RheumaticaParaneoplastic SyndromesCollagen DiseasesHydrogen BondingFollow-Up StudiesGuanineScarlet FeverEndarteritisPortugalImmunoglobulin MEndocarditis, BacterialRisk FactorsChronic Disease