Oxygen saturation-dzimwe nguva inonzi O sats, kana kuti zvisizvo, zvisi-inoreva kuti hemoglobin yakazara neokisijeni zvakadini. Hemoglobin inhengo muropa iro rinosanganisira oksijeni kuti riitakure kuburikidza neropa kusvika kune nhengo, maviri, uye masero emuviri. Kazhinji oksijeni yakagadziriswa kazhinji inenge iri pakati pe 96 muzana uye 98 muzana.
Rimwe nerimwe remasero edu matsvuku eropa rine malekemu mana ehemoglobin.
Iron, iyo iripo mu hemoglobin, ndiyo iyo okisijeni inosunga kune mushure mekuparadzaniswa ne-alveoli mumapapu uye kupinda mumapapuriri emapapu. Kazhinji yenguva iyo hemoglobin yakazara zvakakwana.
Oxygen saturation inobva pa:
- Oxygen availability.
- Gasi kuchinjana mumapapu: Kukwanisa kwe okisijeni kunosvika ku-alveoli, uye kamwe mualveoli, kupararira kuburikidza nemadziro ealveoli uye capillary kusvika kune masero matsvuku eropa.
- Kuwedzera kwehemoglobin mumasero matsvuku eropa.
- Kubatana kwe hemoglobin ye okisijeni, mune imwe, mashoko ekuti hemoglobin yakasimba inokwezva oksijeni.
Kuyera Oxygen Saturation
Oxygen saturation inowanzoyerwa ne:
- Arterial blood inopera: Kukosha kunowanikwa kubva muropa reAIDS (SAO2) kunotsanangura kuokonzerwa kweokisijeni yeropa reropa, uye kunowanikwa nokuchera ropa kubva mune ariti yakafanana neyeri yerari muhomwe kana muitiro wechikadzi mukunaya.
- Pulse oximetry: Kukosha kunowanikwa kubva kune rimwe ropa remvura inoshandisa kupisa oximetry (SpO2) kazhinji kunoratidza zvakajeka mazinga aizowanikwa muropa reropa. Pulse oximetry ine mukana wokuva muedzo usingasviki, unoshandisa purogiramu yakanamatirwa nemunwe kana earlobe kana zvimwe zvikamu zvemuviri unoverenga mashizha emwenje anoonekwa kubva muropa. Haisi kungoita mapepa oximeter muzinga iye zvino wekutarisa vanhu vari muchipatara, asi vanhu vanogona kunyange kutevera kugoverwa kwavo pachavo kuburikidza nokushandiswa kwekugadzirwa kwekombiyuta.
Yakaderera Oxygen Saturation
Dhesi yemakisi ekusimudza okisijeni inotumidzwa ku desaturation, kana hypoxemia, uye inogona kukonzerwa nekuchinja chero kupi zvako kana kukanganisa mumhando dzakasarudzwa.
- Kushandurwa kwehupenyu hwemhepo yakakonzerwa kunogona kukonzerwa nekukanda kwemajeni mukati memhepo yakafuridzirwa sepamusoro-soro uye kana uchibhururuka mundiza.
- Zvinetso nekutengesa gesi zvinokonzera kuderera kwekusimudzirwa kweokisijeni kunogona kusanganisira chinhu chipi nechipi chinoderedza kukwanisa kwe okisijeni kufamba kubva kunze kwemweya kusvikira kualveoli yemitumbi yedu kana panguva yekushandiswa kweokisijeni kubva kuAlveoli kusvika mumapillaira eropa .
- Kupera kweakisijeni kuisa muviri kunogona kukonzerwa nehana yakadzika ye hemoglobin, yakadai sedare inoshaiwa anemia .
- Kuwirirana kwe hemoglobin yeokisijeni kunogona kuitika kana kune chimwe chinhu chiripo chiripo chinowedzera zvakasimba hemoglobin kupfuura inokonzerwa neoksijeni, yakadai mu carbon monoxide chepfu iyo inonzi carboxyhemoglobin inoumbwa.
Hypoxemia uye Hypoxia
Izwi rokuti hypoxemia uye hypoxia rinowanzoshandiswa zvakasiyana asi rinoreva zvinhu zvakasiyana zvakasiyana. Hypoxemia ndiro izwi rinotsanangura kuora kwemajini mukati meropa. Hypoxia, zvakare, inotsanangura zvinokonzerwa neizvi nemhaka ye hypo hypoemia.
Apo masero asingakwanisi okisijeni yakakwana, anogona kuchinja kana kusakwana kuri kuduku. Zvisinei, mukukanganisa kwakakura, chigumisiro chekuita sero rinoteverwa nesero kufa.
Hypoxia inowanzokonzerwa ne hypoxemia, asi inogonawo kuitika apo:
- Pane hosha yeropa nokuti kune mashoma masero matsvuku eropa kuitira kuti kunyatsokonzerwa neurogijeni ropa risingaiti oxygen yakakwana kumatumbu.
- Iko kusina kukwana kwekuyerera kweropa kuitira kuti kunyange muviri wakakwana wakagadziriswa usingakwanise kusvika kumatumbu.
- Maviri acho haagoni kushandisa zvine simba oxygenated ropa inopihwa.
- Zviruchi zvinoda kunyange ropa rinowedzera oksijeni kupfuura rinogona kubudiswa, rakadai sezvirwere zvakakomba.
Kurapa Hypoxemia uye Hypoxia Nemhaka yeHypoxemia
Apo oxygen saturation inodonha pasi pehumwe hutano, supplemental oxygen therapy inowanzodiwa, uye dzimwe nguva inokurumidza. Izvo zvinokoshawo kuziva kuti chii chinokonzera kupera kweokisijeni yakadzika. Kurapa chinokonzera chikonzero ndicho chinangwa chikuru chekurapa.
Chinhu
- Collins, J., Rudenski, A., Gibson, J., Howard, L., naRo O'Driscoll. Kurondedzera oksijeni kudzvinyirira, chikamu, uye zvakagadzirwa: hemoglobin-oxygen dissociation curve. Fema . 2005. DOI: 10.1183 / 20734735.001415.