mrcgp akt MCQ (SBA): Acute Asthma

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A 28-year-old with known asthma presents with an exacerbation: PEFR 65% best, able to speak in sentences, RR 22, SpO₂ 96% air. What is the most appropriate immediate treatment?

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mrcgp akt MCQ: Acute Asthma — Answer & Explanation | iatroX