Dab tsi yog tus qauv rau inspiratory cia ntim?
Dab tsi yog tus qauv rau inspiratory cia ntim?

Video: Dab tsi yog tus qauv rau inspiratory cia ntim?

Video: Dab tsi yog tus qauv rau inspiratory cia ntim?
Video: Cia Siab Rau Kev Saib Hmoov 2024, Lub Xya hli ntuj
Anonim

Nws suav los ntawm kev suav cov dej tsaws tsag ntim , inspiratory tseg ntim , thiab expiratory khaws cia ntim . VC = TV+ IRV +EEV. Nws yog huab cua nyob hauv lub ntsws thaum kawg ntawm kev ua pa tawm ib txwm. Nws tau suav los ntawm kev ntxiv ua ke cov seem thiab kev tshem tawm tseg tagnrho.

Hauv txoj kev no, cov mis twg yog siv los xam lub peev xwm ntawm kev txhawb zog?

Qhov kev sib raug zoo no suav nrog tag nrho lub ntsws muaj peev xwm sib npaug ntawm cov nuj nqis uas seem peev xwm thiab cov muaj peev xwm txhawb siab lub as kev sib npaug : TLC = FRC + IC. FRC tsuas yog ntsuas tau los ntawm plethysmography, tshem tawm cov pa nitrogen, lossis cov txheej txheem ua kom cov roj helium, lossis siv tomography tom qab (CT).

Ib yam nkaus, ob qhov twg ua rau muaj peev xwm txhawb nqa lub zog? Muaj plaub ntim : inspiratory tseg ntim (IAV), ntim dej (TV), kev tuag tseg ntim (ERV), thiab seem ntim (RV). Ob los yog ntau tshaj ntawm cov no ntim ua a peev xwm . Piv txwv li, qhov txiaj ntsig ntawm IRV thiab TV yog muaj peev xwm txhawb siab (IC).

Tsis tas li kom paub, qhov ntim nruab nrab ntawm kev txhawb zog yog dab tsi?

Inspiratory tseg ntim . Tus nqi ntawm huab cua ntxiv nqus - saum toj no ntim dej - Thaum ua pa tawm hauv lub cev. Thaum koj tawm dag zog, koj muaj a khaws cia ntim coj mus rhaub raws li koj ntim dej nce. Cov nruab nrab qhov kev txhawb siab tshwj xeeb ntim Nws yog kwv yees li 3000 ml hauv cov txiv neej thiab 2100 mL hauv poj niam.

Koj yuav suav li cas qhov kev tso tseg tseg?

Tus nqi huab cua ntawm RV thiab FRC yog tseg tseg ntim (ERV). Yog li ntawd, FRC = RV + ERV. FRC yog tag nrho cov huab cua nyob rau hauv ib tug neeg lub ntsws ntawm qhov qis tshaj ntawm lawv tidal ntim (TV). Tidal ntim yog qhov ntim ntawm huab cua uas tib neeg ib txwm txhawb nqa thiab tas sijhawm.

Pom zoo: