Ọkpụkpụ ikuku-mgbe ufodu a na-ezo aka dị ka ọkpụkpụ ukwu, ma ọ bụ nanị, ọkpụkpụ-na-ezo aka ókè nke hemoglobin jupụtara na ikuku oxygen. Hemoglobin bụ mmewere n'ime ọbara nke ejikọtara ya na ikuku oxygen na-ebute ya site na ọbara ruo akụkụ ahụ, anụ ahụ, na sel nke ahụ. Ọdịdị ikuku oxygen nkịtị na-emekarị n'etiti pasent 96 na pasent 98.
Nke ọ bụla n'ime ọbara ọbara ọbara anyị nwere mkpụrụ ndụ anọ nke hemoglobin.
Ígwè, nke dị na hemoglobin, bụ ihe ikuku oxygen na-ejikọta ya mgbe ọ gbasasịrị site na alveoli na ngụgụ na n'ime mkpuchi nke ngụgụ. Oge ka ukwuu na oge hemoglobin jupụtara.
Ọgba aghara na-adabere na:
- Ọdịdị ikuku.
- Mgbanwe gas na ngụgụ: Ikike nke ikuku oxygen iji ruo alveoli, na otu n'ime alveoli, na-agbasa site na mgbidi nke alveoli na capillary iji ruo ọbara ọbara uhie.
- Mmetụta nke hemoglobin na ọbara ọbara uhie.
- Mmetụta nke hemoglobin maka ikuku oxygen, na nke ọzọ, okwu otú ike hemoglobin siri na-adọta oxygen.
Iche Oxygen Saturation
Ọdịdị nke ikuku oxygen kachasị tụọ ma ọ bụ:
- Ọkpụkpụ ọbara ọbara: Uru e nwetara site na ọbara ọbara ọbara ma ọ bụ ABG (SaO2) na-akọwa ikuku oxygen nke ọbara ọbara, ọ na-enweta site na ịbịaru ọbara site na akịrịka dịka akwara radial na nkwojiaka ma ọ bụ akwara femoral na oke.
- Mmetụta ụrọ: Ụdị nke a na-enweta site na ọbara ọbara capillary site na iji mgbakọ pulse (SpO2) na-egosipụtakarị ọkwa dị na ọbara ọbara. Mkpụrụ ndụ mkpọnwụ nwere uru nke ịbụ ule na-abụghị nke na-eme ihe, nke na-eji nyocha aka na mkpịsị aka ma ọ bụ akụkụ nke ọzọ nke ahụ nke na-agụ ntụgharị ọkụ nke ìhè nke sitere na ọbara. Ọ bụghị naanị na ihe nchịkọta ụbụrụ bụ ọkọlọtọ ugbu a maka nlekota ndị mmadụ n'ụlọ ọgwụ, mana ndị mmadụ nwere ike ịgbaso saturation ha site na iji nkà na ụzụ wearable.
Mbelata Oxygen Saturation
A na-adaba na ikuku oxygen saturation na-ezo aka desaturation, ma ọ bụ hypoxemia, na enwere ike kpatara mgbanwe ọ bụla ma ọ bụ mmebi nke mgbanwe dị n'elu.
- Agbanwe mgbanwe nke ikuku oxygen nwere ike kpatara site na mgbedemede na-ebelata nke ikuku oxygen na ikuku si n'ike mmụọ nsọ dị ka elu elu na mgbe na-efe efe n'ime ụgbọelu.
- Nsogbu nke mgbanwe gas na-eme ka ọnụ ọgụgụ nchịkwa nke ikuku oxygen nwere ike ịgụnye ihe ọ bụla nke na-ebelata ikike nke ikuku oxygen iji mee njem si n'èzí gaa n'ime alveoli nke ahụ anyị ma ọ bụ n'oge usoro ikuku oxygen na-esi na alveoli gafere n'ime ọbara ọbara .
- Mbelata ikuku oxygen nwere ike ịpụta site na mkpụmkpụ nke hemoglobin, dị ka eriri eriri ígwè .
- Akpata na-ebelata nke hemoglobin maka ikuku oxygen nwere ike ime mgbe e nwere ihe ọzọ dị ugbu a nke na-ejikarị ọbara hemoglobin karịa ka oxygen dị, dịka nsị carbon monoxide nke a na-emepụta carboxyhemoglobin.
Hypoxemia na Hypoxia
A na-ejikarị ụdị hypoxemia na hypoxia eme ihe na-eme ka ọ bụrụ ihe dị iche. Hypoxemia bụ okwu nke na-akọwa nkwụsị ikuku oxygen n'ime ọbara. Hypoxia, n'aka nke ya, na-akọwa ihe ga-esi na ya pụta n'ihi hypoxemia.
Mgbe mkpụrụ ndụ adịghị enweta oxygen zuru oke, ha nwere ike ime mgbanwe ma ọ bụrụ na erughi obere. Otú ọ dị, n'adịghị ụkọ buru ibu, nsonaazụ bụ ọnyà cell ma mechaa nwụọ ọnwụ.
Hypoxia na-emekarị site na hypoxemia, mana o nwekwara ike ime mgbe:
- E nwere anaemia n'ihi na ọbara ole na ole ọbara uhie dị, ọbụna ọbara nke oxygene zuru oke adịghị ewetara oxygen zuru ezu n'ahụ anụ ahụ.
- Enwere ọbara erughị eru ka ọbara ọ bụla nke ekuku oxygen wee ghara iru anụ ahụ.
- Ọkpụkpụ ahụ enweghị ike iji ọbara na-ekpo ọkụ na-emepụta nke ọma.
- Akpụkpọ anụ na-achọ ka ọbara dịkwuo ọkụ karịa ka enwere ike ịnapụta, dịka na ọrịa ndị siri ike.
Na-emeso Hypoxia na Hypoxia n'ihi Hypoxemia
Mgbe ikuku oxygen na-ada n'ala n'okpuru ọkwa ụfọdụ, a na-achọkarị ọgwụgwọ ikuku oxygen , na mgbe ụfọdụ ọ na-apụta. Ọ dịkwa mkpa iji chọpụta ihe kpatara ikuku oxygen dị ala. Izozi ihe kpatara ya bụ ihe mgbaru ọsọ bụ isi nke ọgwụgwọ.
Isi Iyi
- Collins, J., Rudenski, A., Gibson, J., Howard, L., na R. O'Driscoll. Ihe gbasara ikuku oxygen nke na-etinye aka na mmiri, saturation, na ọdịnaya: usoro hemoglobin-oxygen dissociation. Breathe . 2005. DOI: 10.1183 / 20734735.001415.