title: Haemophilus paraphrophilus endocarditis in a prolapsed mitral valve.
abstract: A case of Haemophilus paraphrophilus endocarditis successfully treated with ampicillin is described. The patient, a 24-year-old woman, had a prolapsed mitral valve. The organism was initally misidentified as H. parainfluenzae, which it closely resembles. H. paraphrophilus is distinguished by its requirement of 10% CO2 for growth on NaCl-free medium and its inability to ferment xylose.
mesh_terms: D000328:Adult; D000667:Ampicillin / Q000627:therapeutic use; D004452:Echocardiography; D004697:Endocarditis, Bacterial / Q000150:complications* / Q000175:diagnosis / Q000188:drug therapy; D005260:Female; D006190:Haemophilus / Q000302:isolation & purification; D006192:Haemophilus Infections / Q000150:complications* / Q000175:diagnosis / Q000188:drug therapy; D006801:Humans; D008944:Mitral Valve Insufficiency / Q000150:complications*
chemical_list: D000667:Ampicillin