Chida Chofunika Kwambiri Chothandizira Kuyeza Magetsi a Magazi
Kupanikizika pang'ono kwa mpweya, komwe kumatchedwanso PaO2, ndiyeso ya mpweya mu magazi ozungulira. Zimasonyeza mmene mpweya wabwino umatha kuchoka m'mapapu kupita ku magazi.
PaO2 ndi imodzi mwa zigawozikulu zomwe zimayesedwa mu test test blood (ABG) , yomwe imafotokozanso carbon dioxide, bicarbonate (HCO3), ndi pH mlingo mu maselo ofiira a magazi. Mtundu wambiri wa mpweya wochepa wa mpweya wa m'nyanja ndi 75 mpaka 100 mm Hg.
Onani chomwe izi zikutanthauza, zomwe zimakhudza izo, ndi zomwe zingamuuze dokotala wanu za thanzi lanu.
Kumvetsetsa Mavuto Atsankho
Oxygen amapanga pafupifupi 21 peresenti ya mpweya m'magazi anu. Mpweya umene mumapuma (oxygen, nayitrogeni, carbon dioxide) imakhala pafupifupi mamita 760 a mercury (mm Hg) m'nyanja.
Kumalo okwera kwambiri, kuwonjezeka kwa chipsyinjo cha m'mlengalenga kumabweretsa kutsitsika kwa mpweya wanu wamagazi, kuphatikizapo mpweya wochepa wa mpweya. Zomwe pansizi zimapita, osachepera mumatha kuchoka mpweya kuchokera m'mapapu anu kupita ku magazi anu.
Izi zimathandizira chifukwa chake anthu ena amavutika kupuma kumalo okwera, kapena ngakhale paulendo wamalonda komwe kukakamizidwa ku nyumbayi kuli kofanana ndi kukhala pafupifupi 4,000 mpaka 10,000 pamwamba pa nyanja.
Chifukwa Chiyani Kuyeza PaO2 Ndikofunika?
Ndi mpweya uliwonse womwe mumatenga, mpweya umabweretsedwa m'mapapu ndipo umaperekedwa ku alveoli .
Ma alveoli ndi kumene kutulutsa mpweya ndi carbon dioxide kumachitika.
Kupanikizika pang'ono ndikutanthauzira chifukwa chake mpweya umayenda kuchokera ku alveoli kupita m'magazi ndi chifukwa chake carbon dioxide imachokera ku magazi kupita ku alveoli. Chifukwa chakuti mpweya wochepa wa mpweya uli woposa alveoli kuposa ma capillaries oyandikana nawo, umathamangira ku capillaries .
Mofananamo, popeza mpweya woipa wa carbon dioxide umakhala wapamwamba kuposa capillaries kuposa alveoli, umachokera ku capillaries kupita ku alveoli.
Kusintha kulikonse kwa kupanikizika kwapadera kungachititse mpweya wochepa kulowa m'magazi komanso carbon dioxide yowonjezera m'magazi. Zonsezi sizingakhale zabwino. Nthawi zina, monga mankhwala a hypoxemia , zingakhale zoopsa.
Zinthu Zokhudzana ndi Mipangidwe ya PaO2
Pamene thupi likugwira bwino, PaO2 yachibadwa imakhala pakati pa 75 ndi 100 mm Hg. Ngati PaO2 yanu ili pansi pa izi, zikutanthauza kuti simukupeza mpweya wokwanira.
Pali zifukwa zingapo zomwe zingakhudze ma Pao2 anu. Zikuphatikizapo:
- Kupanikizika pang'ono kwa mpweya wa mpweya umene mumapanga (kumtunda ndi kumtunda)
- Zoletsedwa mumtengo wamapapo m'mapapu anu (omwe amachititsa zinthu monga emphysema kapena pulmonary fibrosis )
- Matenda a hemoglobini m'maselo anu (kukhala ndi vuto lachitsulo kumatanthauza kuti magazi anu amatha kupachika ma molekyulu ambiri a oxygen)
- Mkhalidwe wa mtima wanu
Chifukwa chiyani mayeso a paO2 akuchitidwa
PaO2, monga gawo la ABG assay , amagwiritsidwa ntchito pozindikira zinthu zina kapena kuyesa momwe munthu angayankhire kuchipatala, kuphatikizapo:
- Kufufuza matenda a mapapu monga asthma, cystic fibrosis, kapena matenda osokoneza bongo oopsa (COPD)
- Kuyeza mlingo wa asidi m'magazi anu ngati muli ndi vuto la impso, kulephera kwa mtima, matenda a shuga, kapena matenda aakulu
- Kuwatsimikizira kuti mukupeza mpweya wabwino ngati muli pa mpweya wabwino
- Kuwunika momwe mukuyankhira kuchipatala cha matenda a m'mapapo kapena kupwetekedwa mtima
> Zotsatira:
> Magazi a Magazi. Laibulale ya National National Medicine. Medline Plus. https://medlineplus.gov/ency/article/003855.htm.
> Carreau A, El Hafny-Rahbi B, Matejuk A, Grillon C, Kieda C. N'chifukwa chiyani kupanikizika kwa mpweya wochokera kwa anthu kumakhala kofunika kwambiri? Mamolekyu ang'onoang'ono ndi hypoxia. Journal za Ma Cellular ndi Mankhwala a Maselo . 2011; 15 (6): 1239-53.