au-amc MCQ (SBA): Guillain-Barré syndrome

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MediumNeurologyGuillain-Barré syndromeau-amcau-racp

A 29-year-old man presents with progressive ascending weakness over 5 days following a diarrhoeal illness. Examination reveals symmetrical flaccid weakness in the legs, areflexia and intact sensation. Respiratory function is currently normal. Guillain-Barré syndrome is suspected. Which investigation best confirms the diagnosis?

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au-amc MCQ: Guillain-Barré syndrome — Answer & Explanation | iatroX