Question

A 71-year-old with COPD has chronic hypoxaemia (PaO₂ 54 mm Hg at rest). Indication for long-term oxygen therapy?

Accepted Answer

Yes-PaO₂ ≤55 mm Hg at rest

Answer

No-threshold PaO₂ ≤45 mm Hg required

Answer

Only if nocturnal desaturation

Answer

Only if during exertion

Answer

Never indicated

Practice question

A 71-year-old with COPD has chronic hypoxaemia (PaO₂ 54 mm Hg at rest). Indication for long-term oxygen therapy?