title: Fulminant diphtheritic mitral valve endocarditis.
abstract: Fulminant endocarditis affecting the mitral valve in an 11-year-old boy was caused by a nontoxogenic strain of Corynebacterium diphtheriae.
mesh_terms: D006332:Cardiomegaly / Q000209:etiology; D002648:Child; D003353:Corynebacterium diphtheriae; D004165:Diphtheria / Q000150:complications*; D004697:Endocarditis, Bacterial / Q000209:etiology*; D006349:Heart Valve Diseases / Q000209:etiology*; D006801:Humans; D008297:Male; D008943:Mitral Valve / Q000473:pathology