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Emergency Medicine > ABGs > Flashcards

ABGs Flashcards

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1
Q

what is FiO2, PaO2,SaO2 and CaO2

A

FiO2 = fraction of inspired oxygen

PaO2 = partial pressure of O2 in the blood

SaO2 = proportion of oxygenated haemoglobin in the blood

CaO2 = amount of oxygen in arterial blood in ml

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2
Q

what causes a raised anion gap

A

Indicates increased acid production or ingestion

DKA

Lactic acidosis

Aspirin overdose

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3
Q

what causes a lowered ion gap

A

Decreased acid excretion or production of HCO3-

Gastrointestinal loss of Hco3- (diarrhoea, ileostomy, colostomy)

Renal tubular acidosis

Addisons disease

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Emergency Medicine (6 decks)

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