![Qhov siab SvO2 txhais li cas? Qhov siab SvO2 txhais li cas?](https://i.answers-medical.com/preview/health/13823101-what-does-a-high-svo2-mean.webp)
Video: Qhov siab SvO2 txhais li cas?
![Video: Qhov siab SvO2 txhais li cas? Video: Qhov siab SvO2 txhais li cas?](https://i.ytimg.com/vi/YhXeMyInsEE/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Yog li, SvO2 ua qhia seb tus neeg lub plawv tso zis yog siab txaus kom tau raws li lawv xav tau. Ib qho nce hauv SWV 2 qhia tau hais tias txo qis hauv kev nqus cov pa, thiab feem ntau cuam tshuam tias lub plawv tawm los ua tau raws li cov ntaub so ntswg xav tau. Rov qab los ntawm SWV 2 rau ib txwm qhia txog tus neeg mob txhim kho.
Hais txog qhov no, vim li cas thiaj yuav SvO2 siab?
nce kev siv oxygen tau coj mus rau a SWV 2 <60%. Thaum sib npaug ntawm cov pa oxygen thiab xav tau yog kev hem thawj, lub cev npaj nws cov txheej txheem them nyiaj kom ntseeg tau tias muaj cov pa txaus. Ob qhov tseem ceeb tshaj plaws yog nce hauv kev tso tawm lub plawv thiab nce cov pa oxygen tawm.
Tseem Paub, SvO2 ib txwm yog dab tsi? Kev sib xyaw ntawm cov leeg ntshav tuaj yeem pab txheeb xyuas cov ntaub so ntswg xa cov pa oxygen. Cov normal SWV 2 yog 65-75%, uas qhia txog kev nqus cov pa oxygen mus rau 25-35%. Li qub PvO2 yog 35-45mmHg.
Ib tus kuj yuav nug, yog SvO2 siab lossis qis hauv sepsis?
Tshaj tawm cov qib ib txwm rau SWV 2 sib txawv ntawm 60-80%; ib txwm SWV 2 ntawm 70% yog nquag hais. ScvO2 thiab SWV 2 feem ntau qis dua qub hauv cov neeg mob hypovolemia (suav nrog GI hemorrhage) thiab cardiogenic poob siab, lossis qis -flows xeev; lawv feem ntau siab hauv cov neeg uas muaj kev poob siab faib tawm (piv txwv li, septic poob siab ).
SvO2 ntsuas li cas?
Cov SWV 2 qib yuav ntsuas los ntawm qhov chaw nyob deb ntawm PA Catheter (piv txwv li Edwards CCOmbo Swan-Ganz Catheter), tsis tu ncua lossis tsis tu ncua. Nws tseem ua tau ntsuas ScVO2 los ntawm qhov taw qhia nyob deb ntawm triple lumen catheter (piv txwv li Edwards PreSep Central Venous Catheter nrog Oximetry).
Pom zoo:
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Thaum lub tshuab ua pa tawm, lub siab toj siab (Pplat) yog lub zog siv thaum kawg ntawm kev tshoov siab rau cov cua me thiab txoj kev alveoli thiab nws tau ntsuas thaum lub sijhawm ua rau lub zog nqus (lossis tuav) ntawm lub tshuab ua pa. Ob qhov kev tsav tsheb siab (DP) thiab kev ua raws kev ua pa (Cpl, rs) suav nrog Pplat
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