skip to main content

Hyperactive and hypoactive delirium — DGM MCQ

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

EasyDeliriumHyperactive and hypoactive deliriumDGM

An 84-year-old man in hospital after pneumonia becomes drowsy and disorientated overnight. He was normally independent and managed his own finances before admission. His attention fluctuates during the conversation and he misinterprets the bed curtain as a person. What is the most likely diagnosis?

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

Reveal the answer and explanation

Correct answer: C — Delirium

Acute onset, fluctuating attention and perceptual disturbance are classic for delirium. Dementia can coexist, but the rapid change from baseline and inattention make delirium the best answer. Delirium is a medical syndrome requiring search for triggers rather than reassurance.

Reference: NICE CG103