Lois/Formules Flashcards

1
Q

Trou anionique

A

[Na+] - ([HCo3-] - [Cl-] = [anions non mesurés] - [cations non mesurés]

[Na+] - ( [Cl-] + [HCO3-] ) = Trou anionique

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2
Q

Loi générale des gaz

A

PV ∝ RT

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3
Q

Loi de Dalton

A

Px = P . Fx

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4
Q

PAO2

A

PAO2 = FiO2 (Patm-PH2O) - PACO2/R

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5
Q

PiO2

A

PiO2= FiO2 (Patm - PH2O)
PiO2 = 0,21 x (760 - 47) =150 mmHg

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6
Q

AaDO2

A
  • AaDO2 = PAO2 - PaO2
  • AaDO2 =(FiO2(PATM.PiH2O)-(PACO2/VCO2 + VO2) - PaO2
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7
Q

Livraison de l’oxygène

A

DO2 = PaO2 . DC
DO2 = (1.34 . Hb . SaO2 +0.0031 . PO2) . DC

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8
Q

Indice de Tiffeneau

A

VEMS/CVF
(N > 0,7)

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9
Q

Contenu en O2 (CaO2)

A

CaO2 = O2 libre + O2 lié à l’Hb
CaO2 = (PaO2 [mmHg] . 0,003 [mL/dL.mmHg] + (SaO2 . Hb . 1,34 [mL d’O2/ g])

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10
Q

PaCO2 ∝ …

A

PaCO2 ∝ VCO2/VA

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11
Q

Équilibre acidobasique

A

CO2 + H2O <> H2CO3 <> H+ + HCO3-

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