Medical Emergencies · single question
A 70-year-old developed motor weakness a week after a flu shot, with no fever. What is he most likely experiencing?
Show answer and explanation
Correct answer: B. Guillain-Barré syndrome
- A. INCORRECT. ALS has an insidious onset over months, not days after vaccination.
- B. CORRECT. Guillain-Barré is a post-vaccination or post-infection ascending weakness from immune-mediated demyelination.
- C. INCORRECT. Sickle cell anemia is a hereditary hemoglobinopathy unrelated to this presentation.
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