CefotaximeCephalosporinsMoxalactamMicrobial Sensitivity TestsCephalosporin ResistanceCephamycinsAnti-Bacterial Agentsbeta-LactamasesCefoperazoneMitral ValveCeftazidimeChordae Tendineaebeta-LactamsCeftriaxonePamphletsCeftizoximeEnterobacteriaceaePenicillin ResistanceMitral Valve InsufficiencyPenicillinsDrug Resistance, MicrobialStreptococcus pneumoniaeMitral Valve Prolapsebeta-Lactam ResistanceCefmenoximeEnterobacteriaceae InfectionsCefoxitinAztreonamMitral Valve AnnuloplastyCephalosporinaseLactamsBacteriaImipenemPiperacillinKlebsiella pneumoniaeCefuroximeCefotiamThienamycinsPenicillin-Binding ProteinsHeart ValvesEnterobacterClavulanic AcidDrug Resistance, BacterialEscherichia coliMeningitisAmpicillinGram-Negative BacteriaAmpicillin ResistanceKlebsiella InfectionsAzlocillinAortic ValveCiprofloxacinBacterial InfectionsHeart Valve ProsthesisMuramoylpentapeptide CarboxypeptidaseEmpiricismSerum Bactericidal TestPneumococcal InfectionsClavulanic AcidsTobramycinPenicillanic AcidHexosyltransferasesPeptidyl TransferasesEchocardiography, Three-DimensionalKlebsiellaTricuspid ValveMeningitis, PneumococcalDrug Resistance, Multiple, BacterialIsoelectric FocusingPhosphatidylserinesPapillary MusclesFleroxacinAnti-Infective AgentsPenicillin GAmikacinGentamicinsMezlocillinProteus vulgarisLipid Bilayers