2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Cov lus xaus: Muaj kev sib cuam tshuam ntawm cephalosporins thiab penicillins; Cov neeg mob ua xua rau ntau yam penicillins yog ntau dua yuav ua rau muaj kev fab tshuaj rau cephalosporins; vim yog rhiab heev rau cov yam ntxwv zoo sib xws (nuclear thiab R1 sab-chain), penicillin-allergic cov neeg mob yuav tsim …
Puas muaj qhov sib txawv ntawm cov tshuaj penicillins thiab cephalosporins?
muaj feem cuam tshuam nrog cephalosporins lossis carbapenems (monobactams [ie, aztreonam] tsis yog cov tshuaj tiv thaiv kab mob penicillins thiab tuaj yeem muab kev nyab xeeb rau cov neeg mob penicillin-allergic).
Vim li cas cov neeg mob ua xua rau penicillin qee zaum muaj kev cuam tshuam rau cephalosporins?
Cov kev tshawb fawb tsis ntev los no tau pom tias muaj qhov sib txawv ntawm qhov qis li 1%. Lub nplhaib sib xyaw beta-lactam yog qhov laj thawj rau qhov muaj peev xwm hla-reactivity ntawm penicillins thiab cephalosporins.
Vim li cas thiaj yuav tsum tsis muab cephalosporin rau tus neeg mob uas tsis haum rau penicillin?
Cov neeg mob uas tau ntsib kev tsis haum rau IgE rau penicillin yuav tsum tsis txhob muab tshuaj rau cephalosporin vim qhov hnyav ntawm cov tshuaj tiv thaiv thiab muaj peev xwm ntawm cross-reactivity.
Kev sib cuam tshuam ntawm penicillin thiab cephalexin yog dab tsi?
Qhov dav hais txog kev ua xua sib kis ntawm 10% ntawm penicillin thiabcephalosporins yog lus dab neeg. Cephalothin, cephalexin, cefadroxil, thiab cefazolin ua rau nce kev pheej hmoo ntawm kev tsis haum tshuaj ntawm cov neeg mob ua xua penicillin.
Pom zoo:
Puas yog txawv txawv thiab txawv txawv lossis cov lus sib txawv?
Cov lus txawv txawv thiab txawv txawv yog synonyms, tab sis txawv ntawm nuance. Tshwj xeeb, alienate tej zaum yuav los yog tsis qhia kev sib cais tab sis ib txwm hais txog kev poob kev hlub lossis kev txaus siab. Dab tsi yog lub ntsiab lus ntawm alienate?
Vim li cas thiaj muaj qhov cuam tshuam nrog pcn thiab cephalosporins?
Cov lus xaus: Muaj kev sib cuam tshuam ntawm cephalosporins thiab penicillins; Cov neeg mob ua xua rau ntau yam penicillins yog ntau dua yuav ua rau muaj kev fab tshuaj rau cephalosporins; vim yog rhiab heev rau cov yam ntxwv zoo sib xws (nuclear thiab R1 sab-chain), penicillin-allergic cov neeg mob yuav tsim … Tus neeg mob PCN puas tuaj yeem noj cov tshuaj cephalosporins?
Puas yog b qhov sib txawv ntawm qhov sib txawv ntawm ib?
Lo lus lub ntsiab lus ntawm 'inverse' yog ib yam dab tsi uas cuam tshuam. … Yog li qhov sib npaug ntawm tus lej yog tus lej uas qhov sib npaug ua rau 1. Qhov ntawd yog, tus lej b yog tus lej sib npaug ntawm tus lej a, if a × b=1. Puas B yog qhov sib txawv ntawm qhov sib txawv ntawm matrix?
Vim li cas qhov tseem ceeb ntawm qhov muaj zog thiab qhov tsis muaj zog yog qhov tseem ceeb?
Nws yog ib qho tseem ceeb rau qhov tseem ceeb ntawm qhov ua tau zoo thiab qhov tsis muaj zog vim qhov no pab lub tuam txhab txiav txim siab txog thaj chaw uas lawv yuav tsum tau txhim kho ntxiv rau thaj chaw uas lawv ua tau zoo hauv. Vim li cas lub zog thiab qhov tsis muaj zog tseem ceeb?
Puas qhov sib txawv thiab qhov sib txawv ntawm tus qauv muaj cov chav nyob?
Variance yog qhov nruab nrab squared deviations los ntawm qhov txhais tau tias, thaum tus qauv sib txawv yog lub hauv paus square ntawm tus lej no. … qauv sib txawv yog qhia nyob rau hauv tib units raws li tus nqi qub (piv txwv li, feeb lossis meters).
