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MediumRespiratoryCOPD exacerbation - oxygen targetsau-acemau-amc

A 62-year-old man with COPD presents with increasing breathlessness and is found to be hypoxic with SpO₂ 84 percent on room air. Arterial blood gases later confirm hypercapnic respiratory failure. According to COPD-X and oxygen guidelines, what is the most appropriate target oxygen saturation during acute management?

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