Movement disorders Flashcards
name the 5 common Hyperkinesias (moving too much)
- Tremor
- Tics
- Chorea
- Dystonia
- Myoclonus
what is the definition of Tremor
Rhythmic oscillatory movement produced by
alternating or synchronous contraction of
antagonist muscles
what is the prevalence of Essential Tremor (ET)
0.4 to 4%
• Up to 14% of persons over 65
what is Essential Tremor (ET) also called
‘Benign, familial tremor’
‘Senile tremor’
Essential Tremor (ET) can be a Postural and kinetic tremor that Affect which parts of the body?
Hands, arms
Head,
Voice
what are the main Pharmacological Therapy for ET
- Beta-blockers (Propranolol)
- Primidone (Mysoline)
- Topiramate (Topamax)
- Gabapentin (Neurontin)
- Clonazepam (Klonopin)
what are non-pharmacological Treatments for ET?
• Botulinum toxin
– head tremor
– hand tremor
• Assisted devices
– Weighted utensils
– Non-cut gloves
– Tremor-cancellation spoon
what are the Surgical Treatments for ET?
Thalamotomy
Deep Brain Stimulation
what are the diagnostic criteria for Tourette’s syndrome
– Age of onset <16 years
– Motor & Vocal tics
– Last > 1 year
what is Tourette syndrome associated with
- ADHD
- OCD
- Poor impulse control
what are 5 common medications for Tourette Syndrome
– Anti-psychotics (pimozide)
– Dopamine depleting agents (tetrabenazine)
– Botulinum toxin injections (focal tics)
– Alpha-adrenergic agonists (clonidine, guanfacine)
– Anti-epileptics (topiramate)
what is the definition of chorea
Irregular, brief, dancing like, jerky movement
Randomly flit from one body part to another
what is the definition of Dystonia
Co-contraction of agonist and antagonist
muscles causing twisting, abnormal postures
what is Cervical dystonia Spasmodic torticollis?
unilateral hypertrophy of sternocleidomastoid muscle, rotation of neck contralateral side
what is the primary etiology of primary dystonia?
DYT 1 – Protein Torsin