Ácido - Base Flashcards

1
Q

Acidosis metabólica: Primer paso

A
  • pH en sangre (7.35-7.45)
    > Acidemia bajo 7.35
    > Alcalemia sobre 7.45
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2
Q

Acidosis metabólica: Segundo paso

A
  • HCO3 (24 mEq/L)

> HCO3 bajo 24 = Acidosis

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3
Q

Acidosis metabólica: Tercer paso

A
  • PaCO2 (45 +/- 5)

> FR?
Alcalosis R? = PaCO2 bajo 45

> Compensa? = 1.5 * HCO3 + 8 +/-2

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4
Q

Acidosis metabólica: Cuarto paso

A
  • Anion GAP
    Na - (Cl + HCO3) = 12 VN

> AGAP normal = pedir AGAP (u)

> AGAP elevado

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5
Q

Acidosis metabólica: Cuarto paso (AGAP u)

A
  • AGAP (u)
    Cl - (Na + K) = 20 VN
    *Simboliza producción de amonio (NH3)

> Sobre 20 = causa digestiva

> Bajo 20 = causa renal

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6
Q

Acidosis metabólica: Quinto paso

A
  • Manejo

> AGAP N = aporte HCO3

> AGAP elevado = remover la causa

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7
Q

En qué casos se presenta AGAP elevado

A
  • Uremia
  • CAD
  • OH
  • Intoxicación con AAS
  • Acidosis láctica
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8
Q

En qué casos se presenta AGAP normal

A
  • Diarreas
  • Ostomías
  • Drenajes
  • Causas renales
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9
Q

En qué caso se indica HCO3 en CAD

A

pH bajo 7

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10
Q

Qué se debe evaluar en caso de AGAP elevado

A
  • Función renal

ERC / AKI

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11
Q

Acidosis respiratoria: Primer paso

A
  • FR
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12
Q

Acidosis respiratoria: Segundo paso

A
  • PaCO2: Mayor o igual a 45 +/-5
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13
Q

Acidosis respiratoria: Tercer paso

A
  • Buscar causa

> SNC
Nervios periféricos
Músculos
Pulmón

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