Central cyanosis tshwm sim thaum theem ntawm deoxygenated hemoglobin hauv cov hlab ntsha yog qis dua 5 g / dL nrog oxygen saturation hauv qab 85%. Cov xim xiav yog feem ntau pom thoob plaws lub cev saum npoo thiab pom cov mucosa.
SaO2 theem twg yuav cyanosis tshwm sim?
Piv txwv li, lub hauv paus cyanosis tuaj yeem tshwm sim thaum SaO2 yog 79% hauv tus neeg mob uas muaj hemoglobin ntawm 15 g / dL.
o2 tig xiav li cas?
Cyanosis. Thawj cov tsos mob tshwm sim ntawm cov ntshav qis qis, cyanosis ua rau xiav tinge tsim ntawm koj cov tawv nqaij, tshwj xeeb tshaj yog nyob ib ncig ntawm koj lub qhov ncauj thiab daim di ncauj thiab hauv qab koj cov ntiv tes matrix. Qhov kev hloov no tshwm sim thaum koj cov ntshav oxygen saturation nce mus txog kwv yees li 67%.
Koj puas tuaj yeem muaj cyanosis nrog cov pa oxygen li qub?
Txawm tias muaj cov pa oxygenation hauv cov hlab ntsha li qub, cyanosis tuaj yeem tshwm sim thaum muaj yog nce cov pa tawm ntawm cov hlab ntsha vim tias qhov nruab nrab ntawm cov hlab ntsha thiab cov hlab ntsha oxygen saturation yuav qis dua.
Yuav txo qis oxygen ua rau cyanosis?
Cov neeg uas cov ntshav tsis muaj oxygen yuav muaj xim xiav rau lawv daim tawv nqaijTus mob no hu ua cyanosis. Raws li qhov ua rau, cyanosis tuaj yeem tshwm sim sai sai, nrog rau ua tsis taus pa thiab lwm yam tsos mob. Cyanosis uas yog tshwm sim los ntawm lub plawv mus ntev los yog mob ntsws muaj teeb meem tuaj yeem tshwm sim qeeb.