Rheumatic Heart DiseaseRheumatic FeverRheumatic DiseasesHeartHeart Valve DiseasesPenicillin G BenzathineHeart ValvesNorthern TerritoryHeart DiseasesStreptococcus pyogenesHeart FailurePharyngitisHeart RateEthnologyStreptococcal InfectionsHeart Defects, CongenitalInternational Council of NursesChronic DiseaseMitral Valve StenosisHeart AuscultationCrowdingMitral ValveEndocarditisStreptococcal VaccinesEchocardiographyMyocarditisMolecular MimicryNew MexicoRisk FactorsSudanMyocardiumHeart Valve ProsthesisCoronary DiseaseOceanic Ancestry GroupMitral Valve InsufficiencyAtrial FibrillationAntigens, BacterialEndocarditis, BacterialIndiaUgandaPrevalenceDeveloping CountriesCardiac Output, LowFollow-Up StudiesProspective StudiesHeart TransplantationStreptococcusSouth AfricaAcute DiseaseBacterial Outer Membrane ProteinsRetrospective StudiesHeart Valve Prosthesis ImplantationMyocardial IschemiaAortic Valve