Video: Puas yog Streptococcus pneumoniae alpha hemolytic?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Streptococcus mob ntsws yog gram-positive coccus. Feem ntau lawv pom nyob rau hauv khub ntawm cocci, lossis diplococci, tab sis lawv kuj tseem tuaj yeem tshwm sim hauv cov saw luv lossis ib leeg. Thaum kev coj noj coj ua ntawm cov ntshav agar lawv qhia alpha hemolysis . Lawv yog cov kab mob tsis muaj zog.
Hais txog qhov no, Puas yog Streptococcus pneumoniae beta hemolytic?
Streptococcus mob ntsws yog ib qho khoom noj khoom haus aerotolerant anaerobe. Feem ntau nws yog kev coj noj coj ua hauv xov xwm uas muaj ntshav. mob ntsws los ntawm pab pawg A ( beta hemolytic tshuaj ) tus kab mob streptococcus , tab sis tsis yog los ntawm commensal alpha hemolytic tshuaj (cov viridans) streptococci uas yog cov neeg nyob hauv cov pa ua pa sab saud.
Tsis tas li, alpha hemolytic streptococcus yog dab tsi? Alpha Hemolytic Streptococcus . Viridans streptococci yog ib pawg heterogeneous ntawm α- hemolytic tshuaj thiab nonhemolytic streptococci uas yog cov ntsiab lus ntawm cov ntoo ib txwm muaj ntawm txoj kev ua pa thiab txoj hnyuv ntawm cov menyuam mos, menyuam yaus, thiab cov laus.
Kuj Paub, yog Streptococcus pyogenes alpha hemolytic?
Pawg A streptococci yog ze li ib txwm beta- hemolytic tshuaj ; pawg B uas muaj feem tuaj yeem tshwm sim alpha , beta lossis gamma hemolysis . Feem ntau hom kab mob S. pneumoniae yog alpha - hemolytic tshuaj tab sis tuaj yeem ua rau muaj kev phom sij hemolysis thaum lub sij hawm anaerobic incubation. Feem ntau ntawm qhov ncauj streptococci thiab enterococci tsis yog hemolytic tshuaj.
Kuv yuav ua li cas thiaj paub tias kuv muaj tus kab mob Streptococcus pneumoniae?
S. mob ntsws ua tau txheeb xyuas siv Gram stain, catalase, thiab optochin kuaj ib txhij, nrog cov kua tsib nyob rau hauv raws li kev kuaj pom tseeb. Yog tias cov kev ntsuas no qhia tias cais tawm yog S. mob ntsws , kev ntsuam xyuas serological rau txheeb xyuas serotype tuaj yeem ua tau.
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