skip to main content

Catatonia — ABEM Board MCQ

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

HardPsychiatric emergenciesCatatoniaABEM Board

A 23-year-old man with depression arrives after not eating for 2 days. Triage acuity is ESI 2; BP 108/64 mm Hg, HR 102/min. He is mute, immobile, resists passive movement, and maintains imposed postures. Glucose and CT head are normal. Which of the following is the most likely diagnosis?

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

Reveal the answer and explanation

Correct answer: DCatatonia

Mutism, immobility, negativism, and waxy flexibility are characteristic of catatonia, which can become medically dangerous.

Reference: APA psychiatric emergency guidance