EQ ACIDO BASIQUE Flashcards

1
Q

ROLE REIN

A

ACIDIFICATION URINES PH 5 EXCRETION H+

ANHYDRASE CARBONIQUE = H+ HCO3- FORMES

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2
Q

ROLE REABS HCO3-

A

REABS 4300 MMOL/J TUBULE PROXIMAL
H+ SECRETE (non EXcreté)
BASAL

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3
Q

REGENERATION HCO3-

A

60 MMOL/J HCO3-
H+ ELIMINE NH3-> NH4+ AUGMENTE X5 SI ACIDOSE (non titrable) PAR TUBULE DISTAL
AUGMENTE QUAND PaCO2 DIMINUE

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4
Q

ACIDOSE META

A

DIARRHEES HCO3- URINES

DEF= hyperv <15mmHg

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5
Q

ALCALOSE META

A

VOMISSEMENTS H+

DEF= hypov >43mmHg

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6
Q

CAUSE VERBES=

A

COMPORTE INDUITE PAR

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7
Q

DEF VERBES=

A

ASSOCIE A, INDUIT

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8
Q
VALEURS
PaCO2 ->
HCO3- ->
pH ->
glycémie ->
A

37 - 42
23 - 27 26 VALEUR TYPE
38 - 42
5

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9
Q

TAMPON NAH2PO4

TAMPON NH4+/NH3

A

TITRABLE 1/3 NON ADAPTABLE ABONDANT INTRAC, BASE FAIBLE SI pH< PKA
NON TITRABLE 2/3 TRES ADAPTABLE

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10
Q

HCO3-

A

A COURT TERME ACIDOSE METABO
EXTRAC + EFFICACE CONTRE CHARGE ACIDE
ACIDE FAIBLE DANS SANG
INDETECTABLE URINES MAIS OUI PLASMA

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11
Q

ACIDE URIQUE

A

PARTIELLEMENT DISSOCIE

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