skip to main content

Serotonin syndrome — ACEM Fellowship MCQ

Instant feedback + full explanation. One question, done properly.

HardToxicologySerotonin syndromeACEM Fellowship

A 38-year-old woman presents to a Melbourne ED, triage category 2, with agitation, diarrhoea and fever after adding tramadol to sertraline. Temp 39.0 C, HR 132, BP 168/94. Exam shows inducible ankle clonus, hyperreflexia and tremor. CK is mildly elevated. What is the most likely diagnosis?

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

Reveal the answer and explanation

Correct answer: ASerotonin syndrome

Clonus, hyperreflexia, diarrhoea and hyperthermia after serotonergic drug combination satisfy serotonin toxicity features.

Reference: eTG toxicology; ACEM toxicology curriculum