You are asked to review a 78-year-old patient in the orthopaedics ward who is three days post-op following a right hemiarthroplasty. | Medibuddy
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9th February 2024

You are asked to review a 78-year-old patient in the orthopaedics ward who is three days post-op following a right hemiarthroplasty.

You are asked to review a 78-year-old patient in the orthopaedics ward who is three days post-op following a right hemiarthroplasty. 

Blood gas on room air shows the following:

Investigation Results Normal value
pH 7.50 7.35-7.45
pCO2 3.7 kPa 4.7-6.0 kPa
pO2 7.0 kPa >10.5 kPa
HCO3- 23 mmol/l 22-29 mmol/l

What is the likely diagnosis?

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