MSD Ax Flashcards
Level of breakdown: Flaccid dysarthria
LMN (cranial nerves)
Level of breakdown: Spastic dysarthria
bilateral UMN (brainstem or above)
Level of breakdown: UMN dysarthria
unilateral UMN (brainstem or above)
Level of breakdown: Ataxic dysarthria
cerebellum
Level of breakdown: Hypokinetic dysarthria
basal ganglia (too little dopamine)
Level of breakdown: Hyperkinetic dysarthria
basal ganglia (to much dopamine)
Level of breakdown: AoS
speech motor area of primary motor cortex
Key feature: Flaccid dysarthria
‘floppy’ weakness (ragdoll)
Key feature: Spastic Dysarthria
slowness and tightness (walking down stairs after marathon)
Key feature: UMN dysarthria
unilateral signs - lower 2/3/ face weak
Key feature: Ataxic dysarthria
poor coordination, drunken gait
Key feature: Hypokinetic dysarthria
insufficient movement
Key feature: Hyperkinetic dysarthria
excessive movement
Key feature: Mixed dysarthria
combo of any other symptoms
Level of breakdown: Mixed dysarthria
both UMN and LMN
