Video: Dab tsi yog SpO2 sensor?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Cov SpO2 (peripheral capillary oxygen saturation) sensor siv ob lub emitting LED ib qho hauv cheeb tsam liab thiab lwm qhov hauv cheeb tsam infrared ntawm lub spectrum. Qhov no sensor tuaj yeem siv los kwv yees qib oxygen saturation ntawm cov ntshav nrog +/- 2% qhov tseeb piv rau kev kho mob sensor.
Tsis tas li, SpO2 sensors ua haujlwm li cas?
Cov mem tes oximeter ua haujlwm tawm qhov oxygensaturation los ntawm kev sib piv ntau npaum li cas lub teeb liab thiab infra lub teeb liab yog nqus los ntawm cov ntshav. Nyob ntawm seb muaj pes tsawg ntawm oxy Hb thiab deoxyHb tam sim no, qhov sib piv ntawm tus nqi ntawm lub teeb liab absorbed piv rau tus nqi ntawm lub teeb infrared absorbed hloov.
Qhov thib ob, dab tsi yog qhov qub SpO2? Oxygen saturation ( SpO2 ) yog kev ntsuas ntawm pes tsawg oxygen koj cov ntshav nqa raws li feem pua ntawm qhov siab tshaj plaws uas nws tuaj yeem nqa tau. Rau ib tus neeg noj qab nyob zoo, cov zoo SpO2 yuav tsum nyob nruab nrab ntawm 96% mus rau 99%. Qhov siab siab thiab lwm yam yuav cuam tshuam rau qhov xav tau li qub rau tus kheej.
Ib yam li ntawd, tib neeg nug, dab tsi yog sp02 sensor?
SpO2 stands rau peripheral capillary oxygen saturation, qhov kwv yees ntawm cov pa oxygen hauv cov ntshav. SpO2 yog kwv yees ntawm cov pa oxygen hauv cov ntshav, lossis SaO2, uas hais txog cov pa oxygen hemoglobin hauv cov ntshav. Haemoglobin yog cov protein uas nqa cov pa oxygen hauv cov ntshav.
Yuav ua li cas thaum SpO2 qis heev?
Qhov tseeb, qis heev qib ntawm SpO2 tuaj yeem ua rau hauv heev cov tsos mob hnyav. Tus mob no hu ua ashypoxemia. Muaj qhov pom tshwm ntawm daim tawv nqaij, hu ua cyanosisdue rau xiav (cyan) tint nws siv rau. Hypoxemia (cov qis cov pa oxygen hauv cov ntshav tuaj yeem hloov mus ua hypoxia ( qis theem ntawm cov pa oxygen hauv cov ntaub so ntswg).
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