A 26-year-old woman with a history of asthma presents with acute wheeze and shortness of breath. PEFR is 55% of predicted, she is speaking in full sentences and oxygen saturation is 95% on air. What is the most appropriate initial treatment?AOral Prednisolone aloneBNebulised Ipratropium Bromide aloneCHigh-dose inhaled Salbutamol via spacer and consider a short course of oral steroidsDMagnesium sulphate IV as first lineEImmediate intubation and ventilationCheck my answer