Vim li cas cov ntshav qab zib tag nrho qis dua cov piam thaj hauv ntshav?
Vim li cas cov ntshav qab zib tag nrho qis dua cov piam thaj hauv ntshav?

Video: Vim li cas cov ntshav qab zib tag nrho qis dua cov piam thaj hauv ntshav?

Video: Vim li cas cov ntshav qab zib tag nrho qis dua cov piam thaj hauv ntshav?
Video: Qab li zib ntab 2024, Lub Xya hli ntuj
Anonim

Txij li thaum tag nrho cov ntshav qabzib yog qis dua plasma qabzib , cov ntsuas tau raug kho kom raug tus nqi ua ntej nthuav tawm qhov tshwm sim; yog li ntawd, cov tag nrho cov ntshav qabzib 'meter' qhov tshwm sim cuam tshuam nrog ntshav los yog ntshav ntshav tau

Yog li, vim li cas ntshav qabzib hauv ntshav siab dua li cov ntshav qabzib?

ntshav ntshav - Kev kwv yees tag nrho ntshav qab zib qib feem ntau yog 10-15% qis dua tshaj li ntshav qabzib ib leeg. Cov qabzib concentration hauv dej uas ua rau ntshav ntshav yog sib npaug ntawm erythrocytes. Plasma muaj ntau dua dej cov ntsiab lus tshaj erythrocytes thiab, yog li ntawd, ua pov thawj qabzib ntau dua qib tshaj tag nrho ntshav.

Ib yam nkaus, tag nrho cov ntshav qab zib yog dab tsi? Cov ntshav qabzib (PG) kuaj ntsuas tus nqi ntawm qabzib hauv qhov dej ntawm koj ntshav - npe la ntshav ntshav - ntau dua li ntawm qabzib hauv koj tag nrho cov ntshav . Hauv Tebchaws Meskas, ntshav lossis tag nrho cov ntshav qabzib ntsuas hauv milligrams ib deciliter, lossis mg/dL.

Tom qab ntawd, lo lus nug yog, qhov txawv ntawm plasma thiab ntshav qabzib yog dab tsi?

Ntshav qab zib qhov tseem ceeb yog kwv yees li 11% siab dua li ntawm tag nrho cov ntshav thaum hematocrit zoo li qub. Hais txog lub sib txawv hauv cov ntshav qabzib qib nruab nrab ntawm ntshav thiab ntshav , qee qhov kev tshawb fawb qhia tias plasma qabzib yog siab tshaj ntshav qab zib hos lwm yam kev tshawb fawb pom tsis muaj sib txawv.

Puas yog cov piam thaj ntau dua hauv cov ntshav capillary lossis ntshav?

Lub cev ib txwm muaj, tshwj xeeb tus nqi ntawm qhov twg qabzib yog muab rho tawm los ntawm ntshav los ntawm cov ntaub so ntswg, txiav txim siab tias tom qab lub xeev (tsis yoo mov) lub xeev, cov hlab ntsha (tag nrho) ntshav qab zib yog me ntsis siab dua tshaj cov leeg ntshav (tag nrho) ntshav.

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