Puas yuav tshem cov colistin thiab nalidixic acid los ntawm CNA hloov qhov nruab nrab qhov rhiab heev lossis qhov tshwj xeeb? Nws yuav hloov qhov tshwj xeeb vim cov kab mob uas yuav tsum tsis txhob loj hlob rau nws yuav. Nws yuav tsis zoo li hloov rhiab heev vim tias tej zaum koj yuav tseem tuaj yeem tshawb pom kev loj hlob ntawm cov kab mob uas yuav tsum loj hlob rau nws.
Lub luag haujlwm ntawm colistin thiab nalidixic acid hauv CNA yog dab tsi?
Colistin thiab nalidixic acid cuam tshuam cov cell membrane ntawm cov kab mob gram-tsis zoo, whereas nalidixic acid blocks DNA replication hauv cov kab mob gram-negative (4). Columbia C. N. A.
Cov kab mob dab tsi loj hlob ntawm CNA agar?
Columbia CNA Agar ib txwm siv los txheeb xyuas staphylococci thiab streptococci. Qhov sib ntxiv ntawm cov ntshav yaj rau qhov nruab nrab tso cai rau kev txheeb xyuas qhov sib txawv ntawm S. pneumoniae los ntawm kev tsim cov ntshiab alpha-haemolysis.
Puas E coli loj hlob ntawm CNA?
Thaum CHRomagar Orientation Medium yog qhov nruab nrab tsis xaiv rau kev cais tawm, kev txheeb xyuas, lossis kev sib txawv ntawm cov kab mob hauv cov zis, Columbia CNA Agar yog ib qho kev xaiv nruab nrab rau kev cais cov kab mob Gram zoo. … Rau caum txog 70% ntawm UTI yog tshwm sim los ntawm E. coli hauv kab lis kev cai ntshiab los yog ua ke nrog enterococci.
Puas yog CNA xaiv lossis qhov txawv?
CNA yog xaiv, sib txawv agar nruab nrabsiv rau kev cais cov kab mob gram zoo hauvntau hom qauv.