Nco lub siab. Ib txwm tshuav ventricular ejection feem (LVEF) yog li ntawm 55% txog 70%. Ib qho LVEF ntawm 65%, piv txwv li txhais tau hais tias 65% ntawm tag nrho cov ntshav nyob rau hauv sab laug ventricle yog nqus tawm nrog txhua lub plawv dhia.
Dab tsi yog qhov ejection feem raws hnub nyoog?
Ib txwm nyeem LVEF rau cov neeg laus dua 20 xyoo yog 53 txog 73 feem pua. LVEF ntawm qis dua 53 feem pua ntawm cov poj niam thiab 52 feem pua ntawm cov txiv neej yog suav tias yog qis. Ib qho RVEF tsawg dua 45 feem pua yog suav tias yog qhov muaj peev xwm qhia txog teeb meem plawv.
Dab tsi yog qhov ejection feem rau ib tug 70 xyoo?
55 txog 70% – Lub plawv ua haujlwm. 40 mus rau 55% - Hauv qab lub plawv ua haujlwm. Nws tuaj yeem qhia tau tias lub plawv puas los ntawm lub plawv nres lossis cardiomyopathy. Siab dua 75% - tuaj yeem qhia txog mob plawv xws li hypertrophic cardiomyopathy, ib qho ua rau mob plawv nres.
Dab tsi yog qhov zoo ventricular ejection feem?
Ib qho ejection feem ntau yog kwv yees 50% txog 75%, raws li American Heart Association. Ib tug ciam teb ejection feem yuav nyob ntawm 41% thiab 50%.
EF qis tshaj uas koj tuaj yeem nyob nrog yog dab tsi?
Feem ntau, ib txwm muaj rau ejection feem yog nruab nrab ntawm 55% thiab 70%. Tsawg ejection feem, qee zaum hu ua EF tsawg, yog thaum koj qhov ejection feem poob qis dua 55%. Nws txhais tau tias koj lub siab tsis ua haujlwm zoo li nws yuav tsum.