Vasodilatory shock — FRCA Primary MCQ
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Correct answer: D — Noradrenaline
Noradrenaline is a first-line vasopressor for vasodilatory shock. Amiodarone is less appropriate because it would fit a different clinical clue or a separate anaesthetic problem. Magnesium sulphate is less appropriate because it would fit a different clinical clue or a separate anaesthetic problem. Pancuronium is less appropriate because it would fit a different clinical clue or a separate anaesthetic problem. Sugammadex 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