uk-plab-1 MCQ (SBA): Life-threatening asthma

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HardRespiratoryLife-threatening asthmauk-plab-1

A 24-year-old woman with known asthma presents with extreme breathlessness. She is exhausted, confused, has a silent chest on auscultation, respiratory rate 10/min, SpO₂ 85% on air and PEF cannot be recorded. What is the single most appropriate immediate action?

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uk-plab-1 MCQ: Life-threatening asthma — Answer & Explanation | iatroX