Question

A 62-year-old man with COPD and chronic hypercapnia presents with drowsiness; ABG shows pH 7.25, PaCO₂ 9.0 kPa, PaO₂ 7.5 kPa on high-flow oxygen. Best immediate step?

Accepted Answer

Controlled oxygen to target SpO₂ 88-92% and consider NIV

Answer

Increase oxygen to 60% and observe

Answer

Stop oxygen

Answer

Immediate intubation for all COPD exacerbations

Answer

Give diuretics

Practice question

A 62-year-old man with COPD and chronic hypercapnia presents with drowsiness; ABG shows pH 7.25, PaCO₂ 9.0 kPa, PaO₂ 7.5 kPa on high-flow oxygen. Best immediate step?