Qhov kev ntsuas Widal yog qhov zoo
- if “O” antigen titer is >1:160=active infection.
- Yog tias tus "H" antigen titer yog >1: 160, nws qhia tau tias kis tau yav dhau los lossis hauv cov neeg txhaj tshuaj.
- Kev nce plaub npaug ntawm titer (piv txwv li, los ntawm 1:40 txog 1:160) yog kev kuaj mob.
Kuv yuav nyeem kuv qhov kev kuaj mob typhoid li cas?
Thaum daim ntawv ntsuam xyuas nyob rau hauv Widal test daim ntawv qhia ib txwm muaj, ces nws tsis zoo rau tus mob typhoid fever. Yog tias tus nqi titre tsawg dua lossis sib npaug rau 1: 20, 1: 40, 1: 80, thiab tsawg dua 1: 160 hauv daim ntawv qhia kev xeem, ces qhov kev kuaj mob typhoid nyob rau hauv Widal test tus nqi ib txwm.
Kuv yuav ua li cas thiaj paub tias kuv qhov kev xeem Widal yog qhov zoo?
Kev kuaj Widal yog qhov zoo yog tias TO antigen titer ntau dua 1: 160 hauv kev kis tus kabmob, lossis yog tias TH antigen titer ntau dua 1: 160 hauv kev kis tus kabmob yav dhau los lossis hauv cov neeg txhaj tshuaj. Ib qho kev sim Widal nkaus xwb tsis muaj qhov cuam tshuam txog kev kho mob me me tshwj xeeb tshaj yog nyob rau thaj chaw muaj xwm txheej xws li Indian subcontinent, Africa thiab South-East Asia.
Dab tsi yog qhov ib txwm muaj ntawm Widal test rau typhoid?
Salmonella typhi H thiab O titres ntau dua lossis sib npaug li 1: 160 tshwm sim nyob rau hauv feem 82% thiab 58% ntawm cov neeg mob typhoid fever; Tsuas yog 4% ntawm cov tib neeg noj qab haus huv thiab 8% ntawm cov neeg mob uas tsis yog typhoid muaj Widal titres ntau dua lossis sib npaug rau 1:80.
O thiab H txhais li cas hauv Widal test?
Salmonella Infections
Cov tshuaj Widal ib txwm ntsuas tshuaj tiv thaiv kab mob tiv thaiv flagellar (H) thiab somatic (O) antigens ntawm cov kab mob ua rau muaj kab mob.
