Question

A 65-year-old man with known COPD presents with increasing breathlessness and sputum purulence. His SpO₂ is 88% on room air and PaCO₂ on arterial blood gas is 7.0 kPa (52 mmHg). According to COPD management principles, what is the most appropriate oxygen therapy target?

Accepted Answer

Supplemental oxygen targeting SpO₂ 88-92%

Answer

High-flow oxygen to maintain SpO₂ ≥98%

Answer

No oxygen therapy because of CO₂ retention

Answer

Hyperbaric oxygen therapy

Answer

Target SpO₂ <85% to avoid CO₂ narcosis

Practice question

A 65-year-old man with known COPD presents with increasing breathlessness and sputum purulence. His SpO₂ is 88% on room air and PaCO₂ on arterial blood gas is 7.0 kPa (52 mmHg). According to COPD management principles, what is the most appropriate oxygen therapy target?