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1,120 Possible Causes for Cerebellar Ataxia during Episodes, Interictal Downbeat Nystagmus, Myokymia

  • Episodic Ataxia

    AUTOSOMAL dominant episodic ataxias are a clinically and genetically heterogeneous group of conditions characterized by recurrent paroxysmal attacks of cerebellar ataxia starting[doi.org] According to Baloh and others (1997), EA2 is characterized by a progressive ataxia with interictal rebound nystagmus evoked by gaze, as well as downbeating nystagmus.[dizziness-and-balance.com] In addition, myokymia (rippling of muscles, diagnosable by electromyography) is evident during and between attacks.[ncbi.nlm.nih.gov]

  • Spinocerebellar Ataxia Type 6

    ataxia is a dominantly inherited paroxysmal cerebellar neurological disorder characterized by episodes of cerebellar ataxia, often accompanied by nausea, vertigo, and headache[doi.org] Initial examination disclosed a central type of positional nystagmus (conjugate downbeat nystagmus that did not fatigue with repeated positioning).[jnnp.bmj.com] Neurol., 1992 , vol. 31 (pg. 147 - 154 ) 4 A gene for episodic ataxia/myokymia maps to chromosome 12pl3, Am. J. Hum.[academic.oup.com]

  • Familial Hemiplegic Migraine Type 2

    According to Baloh and others (1997), EA2 is characterized by a progressive ataxia with interictal rebound nystagmus evoked by gaze, as well as downbeating nystagmus.[dizziness-and-balance.com] Sometimes there may be a rippling of the muscles (myokymia) that comes on with the ataxia. Symptoms usually begin in adolescence.[verywell.com] EA1 may begin in early childhood with attacks of ataxia lasting minutes and with interictal myokymia.[dizziness-and-balance.com]

  • Acute Cerebellar Ataxia

    Sixteen months after the recurrence of ataxia, CT and MRI revealed marked cerebellar atrophy.[ncbi.nlm.nih.gov] . ; EA2 with interictal nystagmus , is long-lasting (hours) associated with attacks of vertigo, diffuse weakness, slurred speech, dystonia, seizures, truncal and limb ataxia[neuroweb.us] Episodic ataxia/myokymia syndrome is associated with point mutations in the human potassium channel gene, KCNA1.[ajnr.org]

  • Autosomal Recessive Spinocerebellar Ataxia 8

    According to Baloh and others (1997), EA2 is characterized by a progressive ataxia with interictal rebound nystagmus evoked by gaze, as well as downbeating nystagmus.[tchain.com] 1 MYOKYMIA 1 WITH HYPOMAGNESEMIA Kv1.5 (K7/45) ATRIAL FIBRILLATION, FAMILIAL, TYPE 7 Laforin (N84/1) PROGRESSIVE MYOCLONIC EPILEPSY, TYPE 2A MMACHC (N230/21) METHYLMALONIC[neuromab.ucdavis.edu] EPISODIC ATAXIA, TYPE 1; EA1 PAROXYSMAL ATAXIA WITH NEUROMYOTONIA, HEREDITARY EPISODIC ATAXIA WITH MYOKYMIA; EAM ATAXIA, EPISODIC, WITH MYOKYMIA; AEM; AEMK MYOKYMIA WITH PERIODIC[slideshare.net]

    Missing: Cerebellar Ataxia during Episodes
  • Myotonic Syndrome

    Neuromyotonia and myokymia Robert Layzer MD (Dr. Layzer of the University of California, San Francisco, has no relevant financial relationships to disclose.)[medlink.com] Fibrillations and myokymia may also occur. Neuromyotonia NMT a.k.a.[learningneurology.com] Facial myokymia in multiple sclerosis. Brain. 1961. 84:31-44. Blunt SB, Khalil NM, Perkin GD. Facial myokymia in multiple system atrophy.[emedicine.medscape.com]

    Missing: Cerebellar Ataxia during Episodes Interictal Downbeat Nystagmus
  • Drug-induced Myopathy

    A 26-year-old man, who had started treatment for pulmonary tuberculosis, developed polyarthralgia, generalised myalgia, weakness, and elevated uric acid and creatine kinase levels. His polyarthralgia improved on cessation of pyrazinamide, but the improvement in his myalgia and creatine kinase was delayed. Drug-induced[…][ncbi.nlm.nih.gov]

    Missing: Cerebellar Ataxia during Episodes Interictal Downbeat Nystagmus
  • Facial Spasm

    One type is superior oblique myokymia .[en.wikipedia.org] Facial myokymia - Myokymia is the spontaneous, fine fascicular contractions of muscle without muscular atrophy or weakness.[blepharospasm.org] Facial myokymia Facial myokymia appears as vermicular twitching under the skin, often with a wavelike spread.[emedicine.medscape.com]

    Missing: Cerebellar Ataxia during Episodes Interictal Downbeat Nystagmus
  • Adult-Onset Autosomal Recessive Cerebellar Ataxia

    . ; EA2 with interictal nystagmus , is long-lasting (hours) associated with attacks of vertigo, diffuse weakness, slurred speech, dystonia, seizures, truncal and limb ataxia[neuroweb.us] Myokymia, vertigo, or hearing loss may occur in some of the subtypes.[blueprintgenetics.com] Purkinje cells, dorsal root sensory ganglion neurons, and ascending posterior columns Spinocerebellar ataxia 5 See the list below: Clinical features Cerebellar ataxia, facial myokymia[emedicine.medscape.com]

    Missing: Cerebellar Ataxia during Episodes
  • Cerebellar Ataxia with Peripheral Neuropathy Type 2

    . ; EA2 with interictal nystagmus , is long-lasting (hours) associated with attacks of vertigo, diffuse weakness, slurred speech, dystonia, seizures, truncal and limb ataxia[neuroweb.us] EPISODIC ATAXIA, TYPE 1; EA1 PAROXYSMAL ATAXIA WITH NEUROMYOTONIA, HEREDITARY EPISODIC ATAXIA WITH MYOKYMIA; EAM ATAXIA, EPISODIC, WITH MYOKYMIA; AEM; AEMK MYOKYMIA WITH PERIODIC[slideshare.net] Purkinje cells, dorsal root sensory ganglion neurons, and ascending posterior columns Spinocerebellar ataxia 5 See the list below: Clinical features Cerebellar ataxia, facial myokymia[emedicine.medscape.com]

    Missing: Cerebellar Ataxia during Episodes

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