Video: Qhov siab puas cuam tshuam rau lub peev xwm tseem ceeb?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Lub peev xwm tseem ceeb ntawm cov neeg laus ib txwm nyob ntawm 3 txog 5 litres. RESULTS: Txhais muaj peev xwm tseem ceeb hauv cov tub ntxhais kawm nrog qhov siab > 167.4 cm siab tshaj qhov nruab nrab muaj peev xwm tseem ceeb ntawm cov tub ntxhais kawm nrog qhov siab ≦ 167.4 hli. Tej zaum nws yuav yog vim qhov nce saum npoo ntawm lub ntsws nyob rau hauv kev sib raug zoo nrog nce qhov siab.
Xav txog qhov no, vim li cas qhov siab ua rau lub ntsws muaj peev xwm?
FVC thiab FEV1 poob nrog hnub nyoog, thaum ntim thiab muaj peev xwm , xws li RV thiab FRC, nce. TLC, VC, RV, FVC thiab FEV1 raug cuam tshuam los ntawm qhov siab , vim lawv yog proportional rau lub cev loj. Qhov no txhais tau hais tias tus neeg siab yuav muaj kev txo qis ntau dua lub ntsws ntim thaum lawv laus.
Tsis tas li ntawd, dab tsi cuam tshuam rau lub peev xwm tseem ceeb? Muaj peev xwm tseem ceeb (VC) yog qhov siab tshaj plaws ntawm huab cua uas tus neeg tuaj yeem tawm ntawm lub ntsws tom qab nqus tau ntau tshaj. Ib tug neeg laus muaj ib tug muaj peev xwm tseem ceeb nruab nrab ntawm 3 thiab 5 litres. Tib neeg muaj peev xwm tseem ceeb nyob ntawm hnub nyoog, poj niam txiv neej, qhov siab, qhov loj, thiab tejzaum nws haiv neeg.
Hais txog qhov no, vim li cas qhov tseem ceeb muaj peev xwm sib txawv nrog qhov siab?
a. Yog tias ib tug neeg siab dua lawv muaj lub ntsws loj dua thiab loj dua peev xwm ntim. Hnub nyoog thiab poj niam txiv neej kuj cuam tshuam rau lub ntsws peev xwm vim lawv ob leeg cuam tshuam kev tsim ntawm tus neeg uas nyob rau hauv lem cuam tshuam lub ntsws peev xwm.
Dab tsi txo qis peev xwm tseem ceeb?
Muaj peev xwm tseem ceeb (VC), qhov ntim ntawm cov pa tawm tom qab qhov kev tshoov siab siab tshaj plaws, feem ntau yog 60 txog 70 mL / kg thiab hauv cov neeg ib txwm raug txiav txim siab feem ntau los ntawm qhov loj ntawm lub hauv siab thiab lub ntsws. Kev txo qis VC mus rau 30 mL/kg yog cuam tshuam nrog hnoos tsis zoo, tsub zuj zus ntawm cov leeg tso pa tawm, atelectasis, thiab hypoxemia.
Pom zoo:
Vim li cas nws thiaj tseem ceeb kom paub txog lub ntsws thiab lub peev xwm?
Vim Li Cas Lub Peev Xwm Muaj Peev Xwm Tseem Ceeb? Lub ntsws muaj peev xwm kwv yees kev noj qab haus huv thiab kev nyob ntev. Qhov no txhais tau tias koj muaj hnub nyoog laus dua, nws nyuaj rau koj lub ntsws ua pa thiab tuav huab cua. Thaum peb nqus pa tsawg dua, peb lub cev thiab cov hlwb tseem tau txais cov pa oxygen tsawg dua, yuam peb lub siab ua haujlwm nyuaj kom nqus cov pa thoob plaws lub cev
Muaj pes tsawg lub dej haus coj los cuam tshuam rau koj lub peev xwm tsav tsheb?
Peb haus dej cawv yuav ua rau tib neeg cov ntshav cawv ntau txog kwv yees li 0.05%, uas tuaj yeem cuam tshuam lub peev xwm ua kom pom tseeb sai, txo qis kev ceeb toom thiab txo kev sib koom tes - mus rau qhov uas ua rau lub zog nyuaj thiab teb rau kev tsav tsheb thaum muaj xwm txheej ceev
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Dab tsi yog thaj tsam ib txwm rau lub peev xwm tseem ceeb?
Nws yog lub sum ntawm tidal ntim, inspiratory cia ntim. thiab expiratory reserve ntim. Lub peev xwm tseem ceeb ntawm cov neeg laus ib txwm muaj ntawm 3 txog 5 litres. Ib tug xov tooj ntawm physiological yam xws li hnub nyoog, poj niam txiv neej, qhov siab thiab haiv neeg cuam tshuam lub ntsws ntim
Yam dab tsi cuam tshuam rau lub ntsws thiab lub peev xwm?
Lub peev xwm ua pa (pulmonary peev) yog qhov sib npaug ntawm ob lossis ntau qhov ntim. Cov yam xws li hnub nyoog, poj niam txiv neej, kev tsim lub cev, thiab kev kho lub cev muaj feem cuam tshuam rau lub ntsws thiab lub peev xwm. Cov ntsws feem ntau ncav cuag lawv qhov siab tshaj plaws hauv cov neeg laus thaum ntxov thiab poob qis nrog hnub nyoog tom qab ntawd