Which neurologic exam findings are characteristic of infantile spasm (West syndrome)?

Updated: Jan 11, 2019
  • Author: Tracy A Glauser, MD; Chief Editor: Stephen L Nelson, Jr, MD, PhD, FAACPDM, FAAN, FAAP  more...
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The neurologic examination in patients with infantile spasms demonstrates abnormalities in mental status function, specifically delays in developmental milestones consistent with developmental delay or regression. However, no pathognomonic findings are present on neurologic examination in patients with infantile spasms.

Abnormalities in level of consciousness, cranial nerve function, and motor/sensory/reflex examination are nonspecific findings and more a reflection of the underlying brain injury or the effect of anticonvulsant medications than of the syndrome.

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