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Antiepileptic drugs (eg, valproate, levetiracetam and piracetam) are effective in cortical myoclonus but less so in others. Clonazepam may be helpful with all types of myoclonus. Bot...
Muscular or anatomical: palatal myoclonus, spasm of tympanic muscles, patulous Eustachian tube. Spontaneous: otoacoustic emissions.
Opsoclonus myoclonus syndrome (dancing eye syndrome) is characterised by opsoclonus, myoclonus and ataxia, usually with behavioural difficulties.
Presentation [ 2 , 5 ] The syndrome usually presents in infancy (typically at about 6 months of age) or in early childhood with signs of: Developmental delay and neuromuscular problems: ...
Central nervous system (CNS) involvement in 10% - headache, confusion, dementia, ophthalmoplegia, myoclonus, oculomasticatory movements (convergent eye movements with simultaneous chewing mov...
An example is palatal myoclonus, a condition in which the muscles of the palate go into spasm. Sudden-onset (over seconds) pulsatile tinnitus can - rarely - be caused by a serious problem ...
There are two subcategories of NES [ 1 ] : Organic: includes a broad spectrum of disorders - eg, syncope, paroxysms of acute neurological insults, paroxysmal toxic phenomena, non-toxic organic h...
Symptoms of Creutzfeldt-Jakob disease (presentation) Clinical findings include myoclonus, visual disturbances and cerebellar, pyramidal and extrapyramidal signs in addition to rapidly prog...
There may also be other movement disorders - eg, tics and myoclonus. HD patients can develop a wide array of dysfunction, including HD-related cardiomyopathy and skeletal muscle wasting. [...
Dehydration, hepatic dysfunction, methaemoglobinaemia, intravascular haemolysis and CNS effects (eg, malaise, tremor, myoclonus, delirium, seizures, encephalopathy) may occur. Complicat...
An assessment of development is important for children presenting with a seizure [ 5 ] : Many people presenting with a dramatic first generalised tonic-clonic 'grand-mal' seizure have ha...
Ramsay Hunt cerebellar syndrome (dyssynergia cerebellaris myoclonica, dyssynergia cerebellaris progressiva, dentatorubral degeneration) is the rare entity characterised by seizures, cognitive impairme...
There is asymmetric apraxia, accompanied by rigidity, myoclonus and involuntary movements of the affected side. Motor neurone disease. Both behavioural and language problems may develop ...
Multifocal myoclonus - metabolic or anoxia causing diffuse cortical irritation. Aetiology There are a number of potential causes for coma and these can be divided in many different w...
Palatal myoclonus (involuntary jerking of the soft palate, pharyngeal muscles and diaphragm). Medial medullary or Dejerine's syndrome: An uncommon lesion caused by vertebral artery ...
Clozapine and valproate, by causing asterixis (negative myoclonus), can cause falling when the legs lose tone. Gabapentin may also cause asterixis-related falls.
Causes include demyelinating disease, oculopalatal myoclonus and drug intoxication. Asymmetrical nystagmus Spasmus mutans : This rare self-limiting condition involves ...