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Life-threatening asthma — ACEM Fellowship MCQ

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HardRespiratory emergenciesLife-threatening asthmaACEM Fellowship

A 29-year-old woman presents to a Canberra ED, triage category 1, with severe asthma. RR 34, HR 138, SpO2 90% on oxygen. She is exhausted, speaking single words, with silent chest areas. VBG shows pH 7.19 and pCO2 68 mmHg despite nebulised bronchodilators. What is the most appropriate management?

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Correct answer: DEscalate to senior-led intubation while continuing bronchodilators

Exhaustion, silent chest and rising pCO2 show impending respiratory failure; intubation must be senior-led while maximal medical therapy continues.

Reference: ACEM respiratory curriculum; eTG acute asthma