COPD Oxygen Targets — UKMLA MCQ

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EasyRespiratory MedicineCOPD Oxygen TargetsUKMLA

A known CO₂ retainer with COPD exacerbation has SpO₂ 84% on room air. What oxygen saturation target is recommended?

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Correct answer: C — 88-92%

Target 88-92% to avoid worsening hypercapnia while correcting hypoxemia. Higher targets risk CO₂ retention; withholding oxygen with SaO₂ 84% is unsafe.

Reference: GOLD (2025): Global Strategy for COPD - Pocket Guide