ModerateRespiratoryAcute exacerbation of COPDuk-plab-1
A 62-year-old man with COPD (FEV1 45% predicted) presents with increased breathlessness, increased sputum volume and purulent sputum. His oxygen saturation is 90% on air, respiratory rate 26/min. There is no pneumonia on chest X-ray. What is the most appropriate immediate management in primary care?