Question

A 65-year-old with COPD and chronic hypoxaemia has PaO₂ 7.1 kPa on ABG when stable, non-smoker. Indication for LTOT?

Accepted Answer

Yes, PaO₂ ≤7.3 kPa indicates LTOT

Answer

No, PaO₂ must be <6.5 kPa

Answer

Only if polycythaemia absent

Answer

Only with cor pulmonale

Answer

Only if PaCO₂ normal

Practice question

A 65-year-old with COPD and chronic hypoxaemia has PaO₂ 7.1 kPa on ABG when stable, non-smoker. Indication for LTOT?