A 64-year-old male was admitted with acute shortness of breath and hypoxia on a background of COPD.
A 64-year-old male was admitted with acute shortness of breath and hypoxia on a background of COPD. CXR showed hyperinflated lungs. Bloods unremarkable.
Blood gas on 28% venturi is as follows:
| Investigation | Results | Normal value |
|---|---|---|
| pH | 7.30 | 7.35-7.45 |
| pCO2 | 9.3 kPa | 4.7-6.0 kPa |
| pO2 | 14 kPa | >10.5 kPa |
| HCO3- | 28 mmol/l | 22-29 mmol/l |
What does the blood gas show?
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