A 54-year-old man with known asthma presents to a remote clinic with an acute exacerbation. There is no nebuliser available, but there are spacers and pMDI salbutamol. What is the most appropriate management?ADelay bronchodilator therapy until nebuliser is availableBUse repeated doses of salbutamol via pMDI and spacer, plus systemic corticosteroidsCUse intravenous salbutamol onlyDSend the patient home with oral salbutamolEUse antibiotics aloneCheck my answer