ModerateEmergencySevere acute asthma – initial ED managementuk-plab-1
A 46-year-old woman presents to the emergency department with sudden onset severe chest tightness, wheeze and difficulty speaking in full sentences. She has a history of asthma. Peak expiratory flow is 30% of her predicted, respiratory rate 32/min, pulse 120 bpm and oxygen saturation 91% on air. According to BTS/NICE guidance, what is the most appropriate immediate treatment?