title: Subacute bacterial endocarditis in a patient with isolated, nonejection systolic click but without a murmur.
mesh_terms: D000293:Adolescent; D004562:Electrocardiography; D004698:Endocarditis, Subacute Bacterial / Q000188:drug therapy* / Q000209:etiology*; D005260:Female; D006326:Heart Auscultation; D006801:Humans; D008944:Mitral Valve Insufficiency / Q000150:complications; D010406:Penicillins / Q000627:therapeutic use; D010656:Phenylephrine; D010701:Phonocardiography; D011674:Pulse; D013290:Streptococcal Infections / Q000188:drug therapy / Q000209:etiology*
chemical_list: D010406:Penicillins; D010656:Phenylephrine