Slow jaw jerk??

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:turtle: Slow Jaw Jerk? UMN Alert!

Brisk jaw jerk reflex?

:brain: Suggests bilateral upper motor neuron lesion above CN V nuclei
:magnifying_glass_tilted_right: Seen in:
• Pseudobulbar palsy
• ALS
• MS

Always test in patients with dysarthria or emotional lability
Let’s discuss it!!