"disease_ontology"^^ . . "A heart valve disease that is characterized by repeated inflammation with fibrinous repair caused by an autoimmune reaction to Group A beta-hemolytic streptococci (GAS) that results in valvular damage. The cardinal anatomic changes of the valve include leaflet thickening, commissural fusion, and shortening and thickening of the tendinous cords."^^ . _:vb50937668 . _:vb50937668 . _:vb50937668 . _:vb50937668 . "rheumatic carditis"@en . . . "rheumatic heart disease"^^ . "2014-02-12T03:03:38Z"^^ . "DOID:0050827"^^ . "lschriml"^^ . "DOID:9814"^^ . _:vb50937668 .