PaCO2:
[HCO3-]:
Primary problem

or

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Compensation

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Level of compensation
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close

Partial compensation means that the pH is still abnormal.

Full compensation means that the pH is back to normal.

close The pH, CO2, and HCO3- are all abnormal in the same direction. There is no compensation taking place here.
close The pH is low (acidotic), so the primary problem is an acidosis of some sort.
close CO2 is the respiratory component.
HCO3- is the metabolic component.
normal: (-2) - 2 mEq/L close

Hint...
This BE is low (acidotic). The pH and BE are both acidotic, so the BE is a primary cause.

normal: 22-26 mEq/L close

Hint...
This HCO3- is low (acidotic). The pH and HCO3- are both acidotic, so the HCO3- is a primary cause.

normal: 35-45 mmHg close

Hint...
This CO2 is high (acidotic). The pH and CO2 are both acidotic, so the CO2 is a primary cause.

normal: 7.35-7.45 close

Hint...
This pH is low (acidotic). The other acidotic piece (HCO3- and/or CO2) is the primary cause.