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9th February 2024
You are asked to review a patient by the FY1 as they are concerned by the results of an arterial blood gas.
You are asked to review a patient by the FY1 as they are concerned by the results of an arterial blood gas. The patient was admitted today with reduced mobility and urinary frequency. On arrival, the patient is sat in a chair talking to their visitors. On examination, they can talk in complete sentences, and their chest is clear on auscultation.
Blood gas on room air shows the following:
| Investigation | Results | Normal value |
|---|---|---|
| pH | 7.40 | 7.35-7.45 |
| pCO2 | 6.7 kPa | 4.7-6.0 kPa |
| pO2 | 6.7 kPa | >10.5 kPa |
| HCO3- | 24 mmol/l | 22-29 mmol/l |
What is the diagnosis?
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