Question

A 69-year-old with severe COPD has resting PaO₂ 52 mm Hg on room air. Which long-term oxygen therapy (LTOT) indication is met?

Accepted Answer

Resting PaO₂ ≤55 mm Hg

Answer

Resting PaO₂ 56-59 mm Hg with no cor pulmonale

Answer

Only nocturnal desaturation below 90%

Answer

Exertional dyspnoea alone

Answer

No indication unless hypercapnia

Practice question

A 69-year-old with severe COPD has resting PaO₂ 52 mm Hg on room air. Which long-term oxygen therapy (LTOT) indication is met?