Fasiraadda Dhiig-neefta Xididada
Falanqaynta Xanuunka Acid-Base
Fasiraadda
Xaaladda Acid-Base:
Xanuunka Koowaad:
Habeynta:
Ogsijiinta:
Falanqayn Faahfaahsan:
Qiimayaasha Tixraaca
| Cabbirka | Xadka Caadiga ah | Halbeegga |
|---|---|---|
| pH | 7.35–7.45 | — |
| PaCO₂ | 35–45 | mmHg |
| HCO₃⁻ | 22–26 | mEq/L |
| PaO₂ | 80–100 | mmHg |
| SaO₂ | > 95 | % |
| Base Excess | −2 ilaa +2 | mEq/L |
Xanuunada Acid-Base
Respiratory Acidosis (Acidosis-ka Neefsashada):
pH ↓, PaCO₂ ↑ (neefsasho aan ku filnayn, COPD, xannibaadda neefsashada)
Respiratory Alkalosis (Alkalosis-ka Neefsashada):
pH ↑, PaCO₂ ↓ (neefsasho xad-dhaaf ah, walaac, xanuun, yaraanta ogsijiinta)
Metabolic Acidosis (Acidosis-ka Dheef-shiidka):
pH ↓, HCO₃⁻ ↓ (ketoacidosis, fashilka kelyaha, shuban, lactic acidosis)
Metabolic Alkalosis (Alkalosis-ka Dheef-shiidka):
pH ↑, HCO₃⁻ ↑ (matag, isticmaalka daawooyinka kaadida, yaraanta dhiigga)
Xeerarka Habeynta
Respiratory Acidosis Degdeg ah: HCO₃⁻ wuxuu kordhaa 1 mEq/L 10 mmHg kasta oo PaCO₂ ay kordho
Respiratory Acidosis Joogto ah: HCO₃⁻ wuxuu kordhaa 3.5 mEq/L 10 mmHg kasta oo PaCO₂ ay kordho
Respiratory Alkalosis Degdeg ah: HCO₃⁻ wuu hoos u dhacaa 2 mEq/L 10 mmHg kasta oo PaCO₂ ay hoos u dhacdo
Respiratory Alkalosis Joogto ah: HCO₃⁻ wuu hoos u dhacaa 4–5 mEq/L 10 mmHg kasta oo PaCO₂ ay hoos u dhacdo (xisaabintu waxay isticmaashaa 4 mEq/L sida tixraac)
Metabolic Acidosis (Hab-xisaabeedka Winter): PaCO₂ la filayo = 1.5 × HCO₃⁻ + 8 (±2)
Metabolic Alkalosis: PaCO₂ wuxuu kordhaa 0.7 mmHg 1 mEq/L kasta oo HCO₃⁻ ay kordho
Fiiro gaar ah: Habeyntu weligeed si dhamaystiran uma soo celiso pH-ga — waxay kaliya u dhawaataa heerka caadiga ah. Kala soocidda degdegga ah/joogtada ah ee xanuunada neefsashada waxay u baahan tahay macnaha caafimaad oo ka baxsan qiimayaasha shaybaarka.
Kala Soocidda Hypoxaemia (Yaraanta Ogsijiinta Dhiigga)
Fudud: PaO₂ 60–79 mmHg
Dhexdhexaad: PaO₂ 40–59 mmHg
Daran: PaO₂ < 40 mmHg
Fiiro gaar ah: Qiimayaasha PaO₂ waa in loo habeeyaa da'da iyo dhererka meelka.
MUHIIM
Kalkuleytarkani waa aalad taageero go'aan-qaadasho ah kumana beddelayo xukunka caafimaad. Fasiraadda waa in mar walba lala barbardhigo taariikhda caafimaad ee dhamaystiran, baaritaanka jireed ee faahfaahsan, electrolytes-ka seerumka, iyo baaritaanno kale. Xanuunada isku-darsan ayaa caan ah oo u baahan falanqayn taxaddar leh.
Tixraacyada
- 1. Adrogué HJ, Madias NE. "Management of life-threatening acid-base disorders. First of two parts." N Engl J Med. 1998;338(1):26–34. PubMed ↗
- 2. Berend K, de Vries AP, Gans RO. "Physiological approach to assessment of acid-base disturbances." N Engl J Med. 2014;371(15):1434–1445. PubMed ↗
- 3. Albert MS, Dell RB, Winters RW. "Quantitative displacement of acid-base equilibrium in metabolic acidosis." Ann Intern Med. 1967;66(2):312–322. PubMed ↗