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Brudziñski's neck sign

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With the patient lying on the back: if the neck is forcibly bended forward, there occurs a reflexive flexion of the knees. Positive in meningitis, subarachnoidal haemorrhages, and possibly in encephalitis.


  • J. Brudziñski:
    Un signe nouveau sur les membres inférieurs dans les méningites chez les enfants (signe de la nuque).
    Archives de médecine des enfants, Paris 1909, 12: 745-752.

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