[Solved]: A 22 -year-old female is admitted for shortness for…

A 22 -year-old female is admitted for shortness for breath. She is nauseated and has vomited once loday She has a haltary of asthma, being hospitaitatd taic. the past year and requiring intubation once in her life. Yesterday she was exposed to dust while reorganicing her house for a move since then she has had shortiness of breath with exertion, excess mucous production, a cough, and an audible wheeat. She tabes daly fluticanonerformoterol and has been uting lier rapid-acting albuterol and ipratropium inhalers without relief. She has audible wheezing on expiration and coughs with deep inspirabion. in the amergency department, her SpO 2 is 92% on room air and her peak flow is 50% of her baseline. Arterial blood gas shows a pH of 7.38 , pC02 38 and po2 62 . Which of the following is the next best step in the management of this patient?