Question

A 62-year-old man with COPD is started on long-term oxygen therapy. According to guidelines, which criterion supports this decision?

Accepted Answer

PaO₂ 7.0 kPa (53 mmHg) on room air at rest

Answer

SpO₂ 94% at rest

Answer

SpO₂ 93% only on exertion

Answer

Any dyspnoea regardless of oxygen saturation

Answer

PaO₂ 10 kPa (75 mmHg)

Practice question

A 62-year-old man with COPD is started on long-term oxygen therapy. According to guidelines, which criterion supports this decision?