Author: Adrian Boyle / Editor: Adrian Boyle / Reviewer: Nadarajah Prasanna, Raghaventhar Manikandan / Codes: / Published: 18/03/2023
A 55-year-old man is brought in with fatigue and headache. He was working in a derelict building’s kitchen when he found that the gas oven was leaking.
He has no past medical problems. His vital signs are; pulse 120, BP 125/80, respiratory rate 22. Examination of his heart, chest and abdomen are otherwise unremarkable.
The Foundation Doctor has done arterial blood gases on air which show:
- pH 7.30
- PC02 2.92 kPa
- PO2 12.5 kPa
- Na 135.2 mmol/l
- Ca 1.3 mmol/l
- K 4.2 mmol/l
- Carboxyhaemoglobin – 23%
- H+ 50 nmol/l
- BE -6 mmol/l
- HC03 21 mmol/l
- SA02 99.2%
- Lactate 2.2 mmol/l
