12/01/2023
πα
ααα»α
ααααααααα αΆααααΌααααΌααααα»αααααΆααααααααΆαα½αααΉααααα»αααΌαααΎα’ααααααααΊααΎαααΆαα·αααα
(ααΎααΎαα’αΆα
αααααααΆα’ααΈααα»αααΌααααΌα(Na+)ααΆα’ααα·α α αΎααααα»αααΌα(Glucose)ααΆαααα αααα
αααΆααααΆααααΆααΎαααΉααα·ααΆαααΈαααα α’ααα·α αα·α αααΈα
ααπ
π€§ α₯ααααΆ+α
α·α?ππ«£)
πααααΌααααα·ααΆαααΈα’ααΈααα»αNa+ αααααΆααΆα
α»α(Cation)α
αααααααα·ααα
αααα
αααα·ααΆ ααΆα
αΌααα½ααααΆαααααΆαααααα»αα’αΌααααααΌα‘αΆααΈααααααΆαααΆαααααΆαα
ααΆααααααααΆααααα ααΆαααΆαααα·ααΆαααΈNa+ α
αΆαααΆα
αααααΌαααααααΆα ααΌααααΌαααΆαα(Na mesurΓ©e) αα·α ααΌααααΌαααααΉαααααΌα*(Na corrigΓ©e)α
πααΆαααααΎααΆααα(ααΌααααΌαααααΉαααααΌα)*α’αΆα
ααΉααα·αααααΉαααααΌαααΆαααααα»ααααααπ€π€§ αααα»αααααααααΎαααααΆααααα
αααααααααααααααΆ αααα»αααααΈαααααΆαα’ααΈααα»αα¬αααΌαααα»αααΆαααααΆαα₯αααα·αααα
ααΎα’αΌααααααΌα‘αΆααΈαα(OsmolalitΓ© physiologique),αααααΎαα α
α’ααΈααα»αα¬αααΌαααα»ααααααΆ(lβOsmol effectiveα¬lβOsmole efficace) αααααΆααΉαααααΎα²ααΆα α
αααααα’αΌααααααΌα(Trou osmotique)αα½ααααα
Trou osmotique = Osm mesurΓ©e - Osm calculΓ©e
ααααααααΆααα’ααΈααα»ααααα
αΌααα½ααααα»αα’αΌααααααΌα‘αΆααΈαα(Na+: M in xD)ααΉαα²ααΆαα·αααααΆαααΈαααΊ(ααΆα§.) α‘/Na mesurΓ©e vs α’/Na corrigΓ©ααααα»αααααα’αΆα
ααααΎααΆαααα»αααααΆαααΆααααααΊαααααααααΆ αααααΉααα·ααΆααα
ααααααααα
πα ααα»α’αααΈααΆαααααα·αααααΆNa mesurΓ©eαα·αNa corrigΓ©eααΆααΏαααααΆαααααα»αααααΆααααααααΆαα½αGlucose?
ααΆαααααααΌααα·ααΆαααΈGlucoseαα·αOsmolalitΓ©ααΆαα»ααα·α:
ααΆααααααΆ(Physiologiquement) Glucoseαα·αUrΓ©eααααΌαααΆαααα
αΆαααααα»ααααα»αMolΓ©cules osmotiquement inefficace(lβOsmole ineffective)ααΆαααα»ααααΌαααα»ααααα’αΆα
ααααααΆααmembrane semi-permΓ©ableαααααααΈαα·ααα ααα
ααα»αααααααα»αααααΈα’ααααααααΊαααα·ααα
αααα»αααααΆαααΆαHyperglycΓ©mie αααααΆαααααΈαααααα’αΆααααα»αααΈα(Insulin)ααααΈα¬α’αΆααααα»αααΈααααααΈαααααααααΈ Glucoseααααα·αααααΌαααΆαααΆαα
αΌααααα»ααααα·ααΆααααααααα½αααΈInsulin ααΉαααααΆααα
ααΆMolecule osmotiquement efficace(=Particule osmotiquement activΓ©)αααααΉαααΆαα₯αααα·αααα
ααΎααΆααααααααα½αααOsmolalitΓ© physiologique αααααΊGlucoseααΉαααααΌαααααααααΈαααΌαααα»ααααα
ααα
αΌααααα·ααΆααΆααα ααααααΆαααΌααα»αααααααα·ααα
αααα
αααα·ααΆ(Compartiment extracellulaire)α αΎαααΉαααΆααααΌαααα»αααΉαααΈαααα»ααααα·ααΆααα
ααααααΆαααΉαααΆααααα
αααΎαα‘αΎαααΈααα αΌαααααα₯αααα·ααααGlucoseααΉααααααΆα(Dilution)ααα αΆααααααα’ααΈααα»ααα·ααααΌαααα»αααααααααΆαα·αααNa(1er cation extracellulaire)α
πααΎααΎαααααΌαααααΆNa corrigΓ©(Na αα/αα·α/ααααΉαααααΌαπ
αα½αααΆααααΆα)αααΆαααΌα
ααααα
ααΈααααααααNaαααα²αααLaboratoire,(Na mesurΓ©e)?
α αΎαααΆααΎααΎαααΉαααααΆαα
ααααΎαααΆααααα
?
ααΎαααααΆαADA Diabetes care:
π (αα
αααααΆααααΆαααΎαα‘α α α/α.αααααα αΆαααααα»αααΌα αααααΌααααΌαααααΉαααααΌα*ααΉαααΎαα‘αΎαααααααα»αα‘.α¦αα
α’.α€,αα½αααααΎαααα»αα’.α€αα
αααααα αΆαααααα»αααΌαα
αΆααααΈα€00α‘αΎααα
)
Pour chaque augmentation de 100 g/dL de la concentration de glucose, le sodium corrigΓ© augmenterait de 1,6 Γ 2,4. La plupart recommandent d'utiliser 2.4 lorsque Glu > 400.
πbit.ly/3aN1ebD
πα
αΉαααααΆα: Na corrigΓ©e=Na mesurΓ©e + {[(Glucose - 100)/100] x 2.4α¬1.6}
α§. Na mesurΓ©e 125, Glucose 500 ααα Na corrigΓ© ~135β
ααΎαααααΎNa mesurΓ©eααΎ3ααααΆ α
αααααα’αΆααα»α(Trou anionique)ααααα
Trou anionique = {(Na+)-[(HCO3-)+(Cl-)]}
α αΎααααα»αα
αααΆααΆααααααΆα(Dilution)ααNaαααααΉααααααα₯αααα·ααGlucoseαααααΆαααααΆαααΆααααα½αα’αΆααα»α(Anion)αααα
αααα‘ααNa corrigΓ©eαα·αααΎαααααΎααΆαααα»αααΆααααααααα·ααααααααΌαααΌαααα αΆααNaααΎα’ααααααααΊαααααΆαααΆαααΎαααα αΆααGlucose αααααααααααααααααΆααΆαHyperglycΓ©mie(ααααΆααααΌαParticule Tonique,Glucose) αααααΉαααΉαααααααα
α½ααααα·ααΆαα·α α αΎαααα αΆααNaααΉαααΎαα‘αΎααααα·ααααα
παααααα(Eng.)
-Hyperglycemia causes dilutional mechanism by drawing water out of the cell.
-Measured Na is detected while dilution leads aspects False hypoNa.
-Corrected Na is calculated to justify that patient is real hypoNa or not.
-Measured Na is used to calculate Anion Gap in Acidosis ,while Corrected Na is used to treat and observe in patient has hyperglycemia with Na disorder
-For every 100 g/dL increase in glucose concentration, the corrected sodium would increase by 1.6 to 2.4. Most recommend using 2.4 when Glu > 400.
πποΈπRΓ©fΓ©rences:
-Guyton and Hall textbook of medical physiology 13th
-The fluid,electrolyte and acid-base companion
-Les troubles hydro-Γ©lectrolytiques faciles
-ADA diabetes care: bit.ly/3aN1ebD