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22 Possible Causes for Progressive Action Tremor, Spike-and-Slow-Waves

  • Benign Adult Familial Myoclonic Epilepsy

    Usually, myoclonic tremor is the presenting symptom, characterized by tremulous finger movements and myoclonic jerks of the limbs increased by action and posture.[uniprot.org] […] and slow wave seen in at least 85% of slow-wave sleep.  Characterized by a hallmark EEG presentation, called continuous spike and-wave during sleep (CSWS) or electrical[slideshare.net] ) Cortical tremor is a form of rhythmic myoclonus, presenting as postural or action tremor in some patients with progressive myoclonus epilepsy (PME), 76, 77 in Angelman syndrome[clinicalgate.com]

  • Epilepsia Partialis Continua

    ) Cortical tremor is a form of rhythmic myoclonus, presenting as postural or action tremor in some patients with progressive myoclonus epilepsy (PME), 76, 77 in Angelman syndrome[clinicalgate.com] His epileptic disorder evolved over time into drug-resistant epilepsy with continuous spike-waves during slow sleep and severe behavioral impairment.[ncbi.nlm.nih.gov] Focal EEG abnormalities commonly consisted of discrete spikes, sharp waves, or slow-wave activity.[archneur.jamanetwork.com]

  • Progressive Myoclonic Epilepsy Type 3

    , action myoclonus, infrequent generalized seizures, and ataxia) or with proteinuria that progresses to renal failure.[ 42 ] Despite severe neurologic disability due mainly[thieme-connect.com] The EEG is characterized by slowing of background activity and the presence of generalized spike-wave and polyspike-wave complexes and bursts of slow waves. 5 High-voltage[clinicalgate.com] .  EEG - slow background with generalised spike and wave.  Epileptiform abnormalities are accentuated during sleep but not with photic stimulation.  The gene associated[slideshare.net]

  • Unverricht-Lundborg Syndrome

    AMRF typically presents at ages 15 to 25 years either with neurologic symptoms (including tremor, action myoclonus, seizures, and ataxia) or with proteinuria that progresses[ncbi.nlm.nih.gov] If burst lasted 3 seconds or more, it could be classified as spike-wave complexes. Slow spike-wave complexes.[emedicine.medscape.com] Generalised spike-and-slow-wave complexes without seizures in schizophrenia.[frontiersin.org]

  • Lafora Disease

    Mutations of this gene cause a progressive myoclonus epilepsy called action myoclonus–renal failure characterized by adult and rarely late-teenage onset progressive tremor[doi.org] The first EEG record, carried out the day after admission, showed slightly slow background activity with bursts of slow waves and paroxysms of spikes and waves.[jnnp.bmj.com] The EEG early in Lafora disease has spike-wave activity resembling that seen in a primary generalized epilepsy; the background slowing is more typical of a secondary generalized[ncbi.nlm.nih.gov]

  • Progressive Myoclonic Epilepsy Type 8

    ) Cortical tremor is a form of rhythmic myoclonus, presenting as postural or action tremor in some patients with progressive myoclonus epilepsy (PME), 76, 77 in Angelman syndrome[clinicalgate.com] EEG showed multiple spike and polyspike-slow wave generalised discharges enhanced by photic stimulation.[jmg.bmj.com] Cranial CT yielded normal results; EEG revealed overall slowing of the background activity plus some diffuse spike-wave complexes.[elsevier.es]

  • Early-Onset Cerebellar Ataxia

    الصفحة 190 - Bradykinesia (slowness of initiation of voluntary movement with progressive reduction in speed and amplitude of repetitive actions) • And at least one of the[books.google.com] EEG shows periodic spike and slow wave activity. Survival is usually about 5 years.[neuroweb.us] […] following: muscular rigidity 4—6 Hz rest tremor postural instability not caused by primary visual, vestibular, cerebellar or proprioceptive dysfunction Step 2 Exclusion criteria[books.google.com]

  • Chudley-Rozdilsky Syndrome

    Education / Primary Lateral Sclerosis / Primary Myelofibrosis / Primary Orthostatic Tremor / Primary Sclerosing Cholangitis / Progressive Multifocal Leukoencephalopathy (PML[gennome.com] […] and waves during sleep - See Continuous spike-wave during slow sleep syndrome Continuous spikes and waves during slow-wave sleep - See Continuous spike-wave during slow sleep[elbiruniblogspotcom.blogspot.com] […] syndrome Connective tissue dysplasia Spellacy type Conotruncal anomaly face syndrome Conotruncal heart malformations Continuous muscle fiber activity hereditary Continuous spike-wave[personalizedcause.com]

  • Spastic Ataxia with Congenital Miosis

    Additional features included action tremor, dysmetria, dysdiadochokinesis, dysarthria, and nystagmus. Cognitive development was normal.[findzebra.com] Hyperventilation during EEG reveals slow spike and wave pattern with frequency less than 2.5 Hz.[quizlet.com] The EEG was reported to show only slow waves initially, but after 3 years, there was clear focal onset and spike activity appeared and increased.[findzebra.com]

  • Ehlers-Danlos Syndrome with Periventricular Heterotopia

    Spinocerebellar ataxia type 12 (SCA12) is an autosomal dominant disorder characterized by action tremor of the upper extremities progressing to ataxia and other cerebellar[chginc.org] Ectopic graymatter4 Thomas, 1996 F, 24 N.A. 14 years Partial Isolated slow spike waves over theleft frontocentral areaPhenobarbital150200mg/dayGeneralized szs when fenozolonewas[docslide.com.br] Yes16 Sheen, 2005 F, 25 N.A. 17 Generalized(catamenial)Excessive slow wave activity N.A. N.A. Yes17 Sheen, 2005 F, 53 N.A. Epilepsy sincechildhoodN.A. N.A. N.A. N.A.[docslide.com.br]

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