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Bell palsy — RCPSC EM MCQ

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EasyNeurological emergenciesBell palsyRCPSC EM

A 39-year-old man has acute right facial weakness. He cannot wrinkle the right forehead, has hyperacusis, and taste is reduced. Limb strength, speech, gait, and visual fields are normal; CT is not indicated by local stroke pathway. What is the most likely diagnosis?

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Correct answer: E — Bell palsy

Complete unilateral lower motor neuron facial weakness involving the forehead, with hyperacusis and taste disturbance, is typical of Bell palsy. Stroke usually spares the forehead in isolated cortical facial weakness.

Reference: Canadian emergency neurology practice