ABGs Flashcards
1
Q
what ABG pattern might you find in stable COPD
A
compensated respiratory alkalosis (T2 RF)
2
Q
what does an increased anion gap mean (in metabolic acidosis)
A
new acid e.g. uraemia DKA propylene glycol iron lactate
3
Q
what does a normal anion gap suggest (in metabolic acidosis)
A
retaining H+
or loosing HCO3
4
Q
what might cause metabolic acidosis
A
DKA
Methanon poisining
uraemia
lactate
5
Q
what might cause metabolic alkalosis
A
vomiting diuretics corticosteroids cushings hypokalaemia
6
Q
what causes respiratory alkalosis
A
acute pulmonary insult
7
Q
what causes respiratory acidosis
A
COPD pulmonary oedema hypoventilation CNS depression mechanical lung dysfunction
