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Video: Koj yuav ua li cas ntxuav cov nitrogen?
![Video: Koj yuav ua li cas ntxuav cov nitrogen? Video: Koj yuav ua li cas ntxuav cov nitrogen?](https://i.ytimg.com/vi/URCPxGcCiFQ/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Nitrogen ntxuav (lossis Fowler's method) yog ib qho kev ntsuas rau ntsuas qhov chaw tuag ntawm lub ntsws hauv lub ntsws thaum lub voj voog ua pa, nrog rau qee qhov tsis muaj feem cuam tshuam txog kev kaw cov pa.
Nitrogen ntxuav tawm | |
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Lub Hom Phiaj | pom/ ntsuas qhov chaw tuag hauv lub ntsws |
Ib yam li ntawd, koj tuaj yeem nug, ua li cas nitrogen ntxuav tawm haujlwm?
Thaum lub sij hawm nitrogen ntxuav txheej txheem ntsuas FRC, nitrogen yog ntxuav los ntawm tus me nyuam lub ntsws siv ib txoj kev bias ntws ntawm 100% oxygen los ntawm lub qhov ncauj. Tag nrho cov nyiaj ntawm nitrogen ntxuav los ntawm lub ntsws muab ntsuas ntsuas tus neeg mob so kom txaus FRC.
Ib tus kuj tseem yuav nug tau, tus plethysmograph ntsuas li cas? A plethysmograph yog ib lub cuab yeej rau ntsuas hloov pauv ntim hauv lub cev lossis tag nrho lub cev (feem ntau tshwm sim los ntawm kev hloov pauv ntawm cov ntshav lossis huab cua nws muaj).
Hais txog qhov no, dab tsi yog nitrogen ntxuav tawm rau pneumothorax?
Kev tswj hwm ntawm 100% oxygen rau cov menyuam mos (" nitrogen ntxuav tawm ") tau hais tias muaj peev xwm daws qhov teeb meem pneumothorax nrawm dua. Txoj kev xav yog qhov ntawd nitrogen nyob rau hauv cov huab cua uas muaj nyob rau hauv qhov chaw pleural passively diffuses hla lub ntsws mus rau hauv alveoli tag nrho ntawm 100% cov pa.
Nitrogen ua dab tsi hauv lub ntsws?
Nitrogen yog ib qho roj inert - txhais tau tias nws tsis chemically hnov mob nrog lwm cov pa roj - thiab nws tsis yog tshuaj lom. Tab sis ua pa dawb huv nitrogen yog tuag. Qhov no yog vim lub gas displaces oxygen nyob rau hauv lub lub ntsws . Kev tsis nco qab tuaj yeem tshwm sim nyob rau hauv ib lossis ob qhov ua pa, raws li Asmeskas Cov Tshuaj Nyab Xeeb Kev Nyab Xeeb thiab Kev Nyab Xeeb Kev Nyab Xeeb.
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