Acid-Base Question acidosis/alkalosis?
If norms are:
ph: 7.35-7.45
HCO3-:22-26
CO2: 38-42
and results are
pH: 7.52
HCO3-: 20
CO2: nomal
What do you have?
a - respiratory acidosis
b - respiratory alkalosis
c - metabolic acidosis
d - metabolic alkalosis
Answers:
d. Metabolic acidosis
pH= Acidosis.
HCO3 is due to compensatory loss
The first thing you should other do with acid-base problems is ignore the HCO3, which is not measured at any rate. It's a calculation that you could vastly easily do yourself.
With a pH over 7.4, you have an alkalosis. Without a depressed pCO2 it isn't respiratory. There, that wasn't hard, be it?
I've noticed this disturbing trend of schools printing out HCO3's as if they were measured, and I can assure you that no blood gas analyzer ever measures it. I suspect you're person cheated in your education. The analyzer assumes that a change within pCO2 of 10 will shift the pH by 0.08. It extrapolates from that what the HCO3 probably is, and you can very well do the same, surrounded by your head, with a little practice.
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ph: 7.35-7.45
HCO3-:22-26
CO2: 38-42
and results are
pH: 7.52
HCO3-: 20
CO2: nomal
What do you have?
a - respiratory acidosis
b - respiratory alkalosis
c - metabolic acidosis
d - metabolic alkalosis
Answers:
d. Metabolic acidosis
pH= Acidosis.
HCO3 is due to compensatory loss
The first thing you should other do with acid-base problems is ignore the HCO3, which is not measured at any rate. It's a calculation that you could vastly easily do yourself.
With a pH over 7.4, you have an alkalosis. Without a depressed pCO2 it isn't respiratory. There, that wasn't hard, be it?
I've noticed this disturbing trend of schools printing out HCO3's as if they were measured, and I can assure you that no blood gas analyzer ever measures it. I suspect you're person cheated in your education. The analyzer assumes that a change within pCO2 of 10 will shift the pH by 0.08. It extrapolates from that what the HCO3 probably is, and you can very well do the same, surrounded by your head, with a little practice.
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