Case 24. Venous Sample!

Question 1

Describe the gas exchange and acid base status.

PO2.       5
PCO2.     5
H+.         35.    PH 7.45
HCO3.     24
Sats.        70%      Probe 99%

Answer 1

Severe type 1 respiratory impairment
Normal acid base.

The ABG does not fit the clinical picture. The pt looks well, a bit SOB, but clearly doesn’t have a PO2 of 5! Note also the finger says don’t match the ABG sats.