Video: Puas yog Streptococcus pneumoniae rhiab rau bacitracin?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Kws kho mob, bacitracin yog siv los cais qhov sib txawv ntawm β-hemolytic streptococci (xws li Kab mob Streptococcus pyogenes), uas yog rhiab rau bacitracin thiab lwm yam Staphylococcal thiab Kab mob Streptococcal laj laj tiv taus bacitracin . mob ntsws o los ntawm lwm α-hemolytic streptococci.
Hauv qhov no, puas yog Streptococcus pyogenes nkag siab bacitracin?
Kab mob Streptococcus pyogenes tuaj yeem sib txawv ntawm lwm yam tsis yog pab pawg A β-hemolytic streptococci los ntawm lawv nce rhiab heev rau bacitracin . Cov bacitracin kev xeem kuj tseem siv txhawm rau paub qhov txawv S. cov pyogenes los ntawm lwm β-hemolytic streptococci uas yog PYR-zoo, xws li S.
Ntxiv mus, puas yog Staph aureus bacitracin nkag siab? Cov bacitracin kev sim kuj tseem tuaj yeem siv los ua qhov sib txawv bacitracin -tiv thaiv Staphylococcus los ntawm bacitracin - raug Micrococcus. Optochin tseem paub tias yog ethylhydrocupreine; nws yog tshuaj lom uas txwv tsis pub muaj pneumococci tab sis tsis cuam tshuam rau lwm yam α-hemolytic streptococci.
Ib yam li ntawd, nws tau nug, dab tsi yog kev ntsuas bacitracin?
Cov bacitracin qhov kev xeem raug tau siv los cais cov pab pawg A streptococci, los ntawm lwm tus streptococci. Thaum loj hlob ntawm cov ntshav agar, Pawg A streptococci yog rhiab heev rau (tua los ntawm) cov tshuaj tua kab mob bacitracin . Lwm yam beta-hemolytic streptococci tiv taus (tsis tua los ntawm) bacitracin.
Cov kab mob twg tiv taus bacitracin?
Kev ua haujlwm ntawm bacitracin feem ntau tiv thaiv kab mob gram-positive: staphylococci, streptococci , corynebacteria, thiab clostridia. Kev txhim kho kev tiv thaiv bacitracin tsis tshua muaj, txawm hais tias nws tau tshaj tawm hauv S. aureus.
Pom zoo:
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