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Cranial Nerves

Bulbar Palsy

February 15th, 2021


Bulbar palsy is a neurologic syndrome that occurs due to a lower motor neuron lesion affecting cranial nerves IX, X and XII.
  • Signs of Bulbar Palsy

  • Absent jaw jerk
  • Absent palate rise
  • Absent pharyngeal reflex
  • Tongue wasting and fasciculations
  • Flaccid dysarthria - nasal speech with impaired articulation and shortened phrases
  • Causes of Bulbar Palsy

  • Motor neurone disease
  • Guillain-barré
  • Polio
  • Neurosyphilis
  • Brainstem stroke
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