Question

A 60-year-old with COPD exacerbation receives high-flow oxygen in the ED with SpO₂ 98%. He becomes more somnolent with rising PaCO₂. What change is indicated?

Accepted Answer

Reduce oxygen to target SpO₂ 88-92%

Answer

Maintain SpO₂ 98% to ensure oxygenation

Answer

Stop oxygen immediately

Answer

Target SpO₂ 80-85%

Answer

Increase oxygen further

Practice question

A 60-year-old with COPD exacerbation receives high-flow oxygen in the ED with SpO₂ 98%. He becomes more somnolent with rising PaCO₂. What change is indicated?