MRCEM Intermediate SBA Practice Questions - MRCEM Intermediate SBA Examination (formerly FRCEM Intermediate) Exam

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A 24-year-old woman presents with acute severe asthma. After initial salbutamol and ipratropium nebulisers and oral prednisolone she remains tachypnoeic with a PEF of 40% predicted. According to BTS/SIGN guidance, what is the most appropriate next pharmacological step?

Intravenous aminophylline loading dose Subcutaneous adrenaline Intravenous magnesium sulphate Intravenous hydrocortisone in addition to oral prednisolone

Correct Answer:

Intravenous magnesium sulphate

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