us-abem MCQ (SBA): Asthma Exacerbation

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EasyRespiratory MedicineAsthma Exacerbationus-abemus-usmle-step-2

A 35-year-old with asthma exacerbation uses albuterol frequently. Peak flow 45% predicted, SaO2 92% RA, speaking in phrases. Next ED step?

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us-abem MCQ: Asthma Exacerbation — Answer & Explanation | iatroX