Signs
These include:
- Nasal speech lacking in modulation and difficulty with all consonants
- Tongue is atrophic and shows fasciculations.
- Dribbling of saliva.
- Weakness of the soft palate, examined by asking the patient to say aah.
- The jaw jerk is normal or absent.
- The gag reflex is absent.
- In addition, there may be lower motor neuron lesions of the limbs.
The occular muscles are spared and this differentiates it from myasthenia gravis.
Pseudobulbar palsy is a clinical syndrome similar to bulbar palsy but the damage is occurred in upper motor neurons, that is the nerves cells come down from the cerebral cortex inervating the motor nuclei in the medulla. This is usually caused by stroke.
Read more about this topic: Bulbar Palsy
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