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Lhermitte’s Sign



    • How to Perform

    • Flex the patient’s neck and ask them about any symptoms in their back, arms or legs.
    • Interpretation

    • Lhermitte’s sign is present if there is an electric shock-like sensation through the back and down the upper / lower limbs.
    • Significance

    • Classically a sign of multiple sclerosis, though can occur with other myelopathies, chemotherapy or radiotherapy.
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