Oximetría y gasometría Flashcards

1
Q

Cómo administras oxígeno a un px con SaO2 de >85%

A

Puntas nasales

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2
Q

Cómo administras oxígeno a un px con SaO2 de 77-85%

A

Mascarilla facial simple

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3
Q

Cómo administras oxígeno a un px con SaO2 de <77%

A

Mascarilla con reservorio

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4
Q

Acidosis metabólica

Cambio esperado de CO2 (fórmula de Winter)

A

1.5 x HCO3 + 8 ±2

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5
Q

Alcalosis metabólica

Cambio esperado de CO2

A

0.7 x HCO3 + 21 ±2

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6
Q

Acidosis respiratoria

Cambio esperado de HCO3

A

Aguda
- CO2 sube 10 mmHg, HCO3 sube 1 mEq/L
Crónica
- CO2 sube 10 mmHg, HCO3 sube 3-5 mEq/L

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7
Q

Alcalosis respiratoria

Cambio esperado de HCO3

A

Aguda
- CO2 baja 10 mmHg, HCO3 baja 1-2 mEq/L
Crónica
- CO2 baja 10 mmHg, HCO3 baja 3-5 mEq/L

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8
Q

Fórmula AG y corregida

A

AG = Na - (HCO3 + Cl)

AGc =AG {2.5 (4.5 - albúmina)}

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9
Q

Causas de AG elevado (GOLD MARRK)

A
Glicoles
Oxoprolina
L-Lactato
D-Lactato
Metanol
Asprina
Rabdomiólisis
Renal falla
Ketoacidosis
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