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Broad-complex tachycardia — FRCA Primary MCQ

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EasyPharmacologyBroad-complex tachycardiaFRCA Primary

A patient has recurrent broad-complex tachycardia after hypoxia and potassium abnormalities are corrected. Which drug is most appropriate?

Educational content. Not a substitute for clinical judgement or local policy.

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Correct answer: B — Amiodarone

Amiodarone is commonly used for broad-complex tachyarrhythmias in the peri-arrest and perioperative setting. Sevoflurane is less appropriate because it would fit a different clinical clue or a separate anaesthetic problem. Flumazenil is less appropriate because it would fit a different clinical clue or a separate anaesthetic problem. Prilocaine is less appropriate because it would fit a different clinical clue or a separate anaesthetic problem. Etomidate is less appropriate because it would fit a different clinical clue or a separate anaesthetic problem. In Primary FRCA pharmacology, link the clinical effect to the receptor, distribution or elimination mechanism rather than memorising isolated facts.

Reference: Peck, Hill & Williams Pharmacology for Anaesthesia and Intensive Care; BNF; Primary FRCA textbooks