![Dab tsi yog po2 ib txwm ntawm ABG? Dab tsi yog po2 ib txwm ntawm ABG?](https://i.answers-medical.com/preview/medical-health/13868084-what-is-a-normal-po2-on-an-abg-j.webp)
Video: Dab tsi yog po2 ib txwm ntawm ABG?
![Video: Dab tsi yog po2 ib txwm ntawm ABG? Video: Dab tsi yog po2 ib txwm ntawm ABG?](https://i.ytimg.com/vi/Ja9GpztgK0c/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Piv txwv li, tus normal PO2 (ib nrab siab ntawm cov pa) yog 80? 100 mmhg. Txhua yam no yuav tsum txhais tau tiag rau peb yog tias hauv cov hlab ntshav, 80 txog 100 mmHg sawv cev rau "cov pa" ntawm cov pa uas tau yaj hauv txhua 100 ml ntawm cov hlab ntshav.
Raws li, qhov ib txwm muaj rau PaO2 yog dab tsi?
Cov PaO2 ntsuas ntsuas cov pa oxygen hauv cov ntshav. Cov neeg laus noj qab nyob zoo feem ntau muaj PaO2 nyob rau hauv ib txwm muaj ntau ntawm 80-100 mmHg. Yog a PaO2 qib qis dua 80 mmHg, nws txhais tau tias ib tus neeg tsis tau txais oxygen txaus.
Ib sab saum toj no, PaO2 yuav tsum yog dab tsi ntawm 100 cov pa? Tus neeg mob PaO2 (ntawm dej hiav txwv) yuav tsum ua 5x x cov pa feem pua (FIO2). Piv txwv li, tus neeg mob ntawm chav huab cua ua pa 21% cov pa thiab yog li ntawd PaO2 yuav tsum ua ~ 105 mmHg. Ib tus neeg mob 100 % oxygen yuav tsum muaj a PaO2 ntawm ~ 500 mmHg. Tus neeg mob 40% FIO2 yuav tsum muaj a PaO2 ntawm ~ 200 mmHg.
Zoo sib xws, po2 hauv ABG yog dab tsi?
PO2 (ib nrab ntawm cov pa oxygen) qhia txog cov pa oxygen yaj hauv cov ntshav. Nws ntsuas qhov ua tau zoo ntawm lub ntsws hauv kev rub cov pa oxygen mus rau hauv cov ntshav los ntawm huab cua.
Po2 zoo li cas?
Li qub Cov txiaj ntsig tau txiaj ntsig ntawm qib hiav txwv: Ib nrab ntawm cov pa oxygen ( PaO2 ): 75 txog 100 mm ntawm mercury (mm Hg), lossis 10.5 txog 13.5 kilopascal (kPa) Ib nrab ntawm cov pa roj carbon dioxide (PaCO2): 38 txog 42 mm Hg (5.1 txog 5.6 kPa) Cov ntshav ntshav pH: 7.38 txog 7.42.
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