A 72-year-old man with COPD presents with increased dyspnoea, sputum volume and purulence. He has SpO2 92% on room air, RR 22 breaths/min and no signs of pneumonia. What is the most appropriate initial management in primary care?AIncrease short-acting bronchodilator use, consider short course of oral corticosteroids and antibiotics, and arrange early reviewBStart long-term oral corticosteroidsCAdvise bed rest only and no change in medicationsDImmediate intubation and transfer to ICUEStop bronchodilators to avoid tachycardiaCheck my answer