Acute Asthma Severity — RACP Paediatrics MCQ

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ModerateRespiratoryAcute Asthma SeverityRACP Paediatrics

A 10-year-old child with asthma has a peak expiratory flow rate (PEFR) of 50% predicted during an acute exacerbation. According to the Australian Asthma Handbook, what severity is this?

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Correct answer: D — Severe

PEFR 33-50% predicted indicates severe acute asthma. PEFR <33% predicted indicates life-threatening asthma. Management of severe asthma includes frequent inhaled salbutamol, ipratropium, systemic corticosteroids, and consideration of IV magnesium sulfate or IV salbutamol.

Reference: National Asthma Council Australia – 2024 – Australian Asthma Handbook