Question

A 58-year-old man with COPD exacerbation presents with RR 30, use of accessory muscles and drowsiness. ABG shows pH 7.28, PaCO₂ 8.5 kPa, PaO₂ 7.5 kPa on 28% Venturi oxygen. According to COPD and ED guidance, what is the most appropriate next step in ventilatory support?

Accepted Answer

Initiate non-invasive ventilation (BiPAP) in addition to medical therapy

Answer

Increase oxygen to 100% via non-rebreather mask only

Answer

Intubation and invasive ventilation immediately in all COPD exacerbations

Answer

Stop oxygen entirely to stimulate breathing

Answer

Use high-flow nasal cannula only

Practice question

A 58-year-old man with COPD exacerbation presents with RR 30, use of accessory muscles and drowsiness. ABG shows pH 7.28, PaCO₂ 8.5 kPa, PaO₂ 7.5 kPa on 28% Venturi oxygen. According to COPD and ED guidance, what is the most appropriate next step in ventilatory support?