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myoclonus

   Also found in: Medical, Encyclopedia, Wikipedia 0.01 sec.
my·oc·lo·nus  (m-kl-ns)
n.
A sudden twitching of muscles or parts of muscles, without any rhythm or pattern, occurring in various brain disorders.

myo·clonic (m-klnk) adj.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.myoclonus - a clonic spasm of a muscle or muscle group
cramp, muscle spasm, spasm - a painful and involuntary muscular contraction


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A 64-year-old woman with a history of hypertension and stroke presented with palatal tremor and myoclonus 11 months after experiencing a vascular insult in the brainstem.
It includes a separate section on Parkinson's disease, and discussion of hyperkinetic or hypokinetic disorders such as amyotrophic lateral sclerosis, cerebral palsy, muscular dystrophy, multiple sclerosis, myasthenia, myoclonus, spina bifida, dystonia, essential tremor, choreatic disorders, Huntington disease, Tourette syndrome, and those caused by spinal injury.
Patients are usually aged between 50 and 75 and typical clinical features include a rapidly progressive dementia associated, myoclonus and a characteristic electroencephalographic pattern.
 
 
 
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