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Guillain-Barré syndrome — ABEM Board MCQ

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HardNeurological emergenciesGuillain-Barré syndromeABEM Board

A 52-year-old man presents as triage level 2 with 4 days of ascending weakness after diarrhea. Reflexes are absent, sensation is mildly reduced, FVC is 18 mL/kg, and ECG shows sinus tachycardia with labile BP. Which of the following is the most appropriate next step in management?

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

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Correct answer: E — Admit to ICU for respiratory monitoring and initiate IVIG or plasma exchange

Guillain-Barré syndrome can progress to respiratory failure and autonomic instability; low FVC warrants ICU-level monitoring and disease-modifying therapy.

Reference: AAN Guillain-Barré guidance; ABEM EM Model