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Likhase tsa mali ke litekanyo tsa hore na oksijene le carbon dioxide li kae maling a hao. Li boetse li khetholla asiti (pH) ea mali a hau.

Hangata, mali a nkuoa mothapong oa methapo. Maemong a mang, mali a tsoang mothapong a ka sebelisoa (khase ea mali e mafura).

Hangata, mali a ka bokelloa ho e 'ngoe ea methapo e latelang:

  • Mothapo o mongata oa letsoho letsohong
  • Mothapo oa basali botenng
  • Mothapo oa brachial letsohong

Mofani oa tlhokomelo ea bophelo a ka etsa liteko tsa ho potoloha ha letsoho pele a nka sampole ea mali sebakeng sa letsoho.

Mofani oa thepa o kenya nale e nyane ka letlalo mothapong. Sampole e romeloa kapele ho laboratori bakeng sa tlhahlobo.

Ha ho na litokisetso tse khethehileng. Haeba u le kalafong ea oksijene, mahloriso a oksijene a tlameha ho lula a sa fetohe metsotso e 20 pele ho tlhahlobo.

Bolella mofani oa hau haeba u nka meriana e fokotsang mali (li-anticoagulants), ho kenyeletsoa le aspirin.

Ha nale e kentsoe ho hula mali, batho ba bang ba utloa bohloko bo itekanetseng. Ba bang ba ikutloa feela ho hlaba kapa ho hlaba. Kamora moo, ho kanna ha ba le ho longoa kapa ho longoa hanyenyane. Haufinyane sena sea fela. Bohloko le ho se utloise bohloko li mpefala ho feta ho hula mali mothapong.


Teko e sebelisetsoa ho lekola mafu le phefumoloho le maemo a amang matšoafo. E thusa ho tseba katleho ea kalafo ea oksijene kapa moea o sa hlaseleng (BiPAP). Teko e boetse e fana ka tlhaiso-leseling ka tekano ea 'mele ea acid / base, e ka senolang lintlha tsa bohlokoa mabapi le tšebetso ea matšoafo le liphio le boemo bo akaretsang ba' mele oa metabolism.

Melao ea boitšoaro ba leoatle:

  • Khatello e fokolang ea oksijene (PaO2): limilimithara tse 75 ho isa ho tse 100 tsa mercury (mm Hg), kapa 10.5 ho isa ho 13.5 kilopascal (kPa)
  • Khatello e fokolang ea carbon dioxide (PaCO2): 38 ho isa ho 42 mm Hg (5.1 ho isa ho 5.6 kPa)
  • Mali a methapo pH: 7.38 ho isa ho 7.42
  • Ho khotsofatsa oksijene (SaO2): 94% ho 100%
  • Bicarbonate (HCO3): li-milliequivalents tse 22 ho isa ho tse 28 litha e le nngwe (mEq / L)

Ho bophahamo ba limithara tse 900 le ho feta, boleng ba oksijene bo tlase.

Mekhahlelo e tloaelehileng ea boleng e ka fapana hanyane hara lilaboratori tse fapaneng. Li laboratori tse ling li kenyelletsa litekanyo tse fapaneng. Bua le ngaka ea hau ka se boleloang ke sephetho sa hau sa liteko.


Liphetho tse sa tloaelehang li ka bakoa ke matšoafo, liphio, mafu a ts'oaetso kapa meriana. Likotsi tsa hlooho kapa molala kapa likotsi tse ling tse amang ho phefumoloha le tsona li ka lebisa liphellong tse sa tloaelehang.

Ho na le kotsi e nyane ha ts'ebetso e etsoa ka nepo. Methapo le methapo li fapana ka boholo ho tloha ho motho e mong ho ea ho o mong le ho tloha lehlakoreng le leng la 'mele ho ea ho le leng. Ho nka mali ho batho ba bang ho ka ba thata ho feta ho ba bang.

Likotsi tse ling tse amanang le ho huloa mali li nyane, empa li ka kenyelletsa:

  • Ho akheha kapa ho ikutloa o le hlooho e boima
  • Li-punctures tse ngata ho fumana methapo ea mali
  • Hematoma (mali a hahiloeng ka tlas'a letlalo)
  • Ho tsoa mali a mangata
  • Tšoaetso (kotsi e nyane neng kapa neng ha letlalo le robehile)

Tlhahlobo ea khase ea mali ea mali; ABG; Hypoxia - ABG; Ho hloleha ho phefumoloha - ABG

  • Teko ea likhase tsa mali

CC ea Chernecky, Berger BJ. Likhase tsa mali, arterial (ABG) - mali. Ka: Chernecky CC, Berger BJ, bahlophisi. Liteko tsa Laboraro le Mekhoa ea Tlhatlhobo. La 6th. St Louis, MO: Elsevier Saunders; 2013: 208-213.


Weinberger SE, Cockrill BA, Mandel J. Tekolo ea mokuli ea nang le lefu la pulmonary. Ka: Weinberger SE, Cockrill BA, Mandel J, bahlophisi. Melao-motheo ea Pulmonary Medicine. La 6th. Philadelphia, PA: Elsevier; 2019: khaolo ea 3.

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