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Renal > Equilibrio ácido-base y anion gap > Flashcards

Equilibrio ácido-base y anion gap Flashcards

1
Q

anion gap

A

brecha entre cationes y aniones (normalmente albumina)

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1
Q

fórmula aniongap

A

Na - (Cl +HCO3)

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2
Q

valor aniongap normal

A

10-12

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3
Q

acidosis metabólica

A

↓pH ↓HCO3

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4
Q

acidosis respiratoria

A

↓pH ↑PCO2

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5
Q

alcalosis metabólica

A

↑pH ↑HCO3

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6
Q

alcalosis respiratoria

A

↑pH ↓PCO2

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7
Q

valores normales de HCO3

A

24 +- 2

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7
Q

valores normales de PCO2

A

40 +- 2

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8
Q

tipos de acidosis metabólica

A

anion gap ↑ o anion gap normal

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8
Q

causas de acidosis met con Ag ↑

A

-ingesta excesiva de alcohol o aminoglucosidos
-acidosis láctica
-ketoacidosis diabética
-falla renal crónica
-ingesta de aspirina
-ingesta de propylene glycol

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8
Q

A.M con Ag normal “__”

A

hipercloridricas

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8
Q

causas de acidosis met con Ag normal

A

-diarrea severa
-acidosis tubular renal tipo 2
-tubulopatías

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8
Q

formula anion gap urinario

A

Na + K - Cl

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9
Q

Ag urinario positivo indica

A

daño renal

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10
Q

Ag urinario negativo indica

A

causa gastrointestinal

11
Q

donde se reab HCO3

A

TCP

12
Q

Paciente con trastornos mixtos pueden tener pH __ y anión gap __

A

NORMAL
ELEVADO

13
Q

Ag normal “HARD-ASS”

A

hyperalimentation
addison disease
renal tubular acidosis
diarrea
acetazolamide
spironolactona
saline infusion

14
Q

test de allen + significa

A

isquemia arterial o defecto de circulación colateral

15
Q

uso de formula de winter

A

checar compensación de acidosis metabólica, para ver si el PCO2 compensó o no

16
Q

fórmula de winter

A

[1.5(HCO3 del px)] + 8 = +-2

17
Q

interpretación de delta gap

A

Delta Gap < 1
Acidosis metabólica anión gap elevado + acidosis metabólica anión gap normal

Delta Gap 1 - 2
Acidosis metabólica de anión gap elevado

Delta Gap > 2
Acidosis metabólica anión gap elevado + alcalosis metabólica

18
Q

fórmula de delta gap

A

∆gap= ∆Ag / ∆hco3

(∆Ag = ag del px +ag normal)

19
Q

uso del osmol-argap

A

para ver la etiología de la intoxicación

20
Q

∆osmol-gap

A

∆osmol-gap= osmolaridad calculada - osmolaridad medida

<10 –> normal
>20 –> intoxicación por alcohol

Renal (4 decks)

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