Practice question

Answer the question and get instant feedback.

EasyRespiratoryAcute exacerbation of COPDuk-plab-1

A 68-year-old man with known COPD presents with increased dyspnoea, wheeze and sputum purulence. Arterial blood gases on air show PaO2 6.8 kPa and PaCO2 7.5 kPa with pH 7.35. What target oxygen saturation range should be used when prescribing controlled oxygen therapy?

Educational content. Not a substitute for clinical judgement or local policy.