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Anaphylaxis — DipIMC MCQ

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HardMedical EmergenciesAnaphylaxisDipIMC

A 24-year-old develops stridor, wheeze, widespread urticaria and blood pressure 82/50 mmHg minutes after eating peanuts. Which initial adrenaline regimen is indicated?

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Correct answer: E — Give 500 micrograms adrenaline IM into the anterolateral thigh

The best answer is “Give 500 micrograms adrenaline IM into the anterolateral thigh”. Airway, breathing and circulatory compromise after likely allergen exposure is anaphylaxis. The adult first-line dose is 500 micrograms IM into the anterolateral thigh, repeated after five minutes if compromise persists, alongside positioning, oxygen, monitoring, IV access and crystalloid when indicated. IV bolus adrenaline is hazardous in a patient with a pulse and should not replace the recommended IM route.

Reference: Resuscitation Council UK, Emergency treatment of anaphylaxis: https://www.resus.org.uk/library/additional-guidance/guidance-anaphylaxis/emergency-treatment-anaphylactic-reactions