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12 Possible Causes for Interictal Downbeat Nystagmus, Onset at Age 6-30 Years

  • Spinocerebellar Ataxia Type 6

    Initial examination disclosed a central type of positional nystagmus (conjugate downbeat nystagmus that did not fatigue with repeated positioning).[jnnp.bmj.com] SCA 1 The predominance of this type of infection is not frequent, almost 6% incidence rate are estimated. Onset of symptoms occurs after 30 years of age.[healthsaline.com] […] of onset - 6-30 years Gait and limb ataxia Akinesia Dysarthria Dysphagia Hyporeflexia Postural and resting tremor Rigidity Cognitive impairment Cerebellar atrophy Spinocerebellar[emedicine.com]

  • Episodic Ataxia

    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] The age of onset ranges from 6 to 86 years. Periodic episodes of paralysis occur on one side of the body and last for days.[encyclopedia.com] Initial examination disclosed a central type of positional nystagmus (conjugate downbeat nystagmus that did not fatigue with repeated positioning).[jnnp.bmj.com]

  • Spastic Ataxia with Congenital Miosis

    Interictal examination showed spontaneous downbeat and gaze-evoked nystagmus and mild dysarthria and truncal ataxia.[findzebra.com] […] of onset - 6-30 years Gait and limb ataxia Akinesia Dysarthria Dysphagia Hyporeflexia Postural and resting tremor Rigidity Cognitive impairment Cerebellar atrophy Spinocerebellar[emedicine.medscape.com] , episodic; Vertigo; Myotonia; Dysarthria; Migraine headache; Weakness; Paresthesias; Interictal downbeat nystagmus ; Interictal vestibular dysfunction; Interictal dystonia[findzebra.com]

  • Spinocerebellar Ataxia Type 4

    Initial examination disclosed a central type of positional nystagmus (conjugate downbeat nystagmus that did not fatigue with repeated positioning).[jnnp.bmj.com] SCA 1 The predominance of this type of infection is not frequent, almost 6% incidence rate are estimated. Onset of symptoms occurs after 30 years of age.[healthsaline.com] Presentation Onset is usually between the ages of 30 and 50 years, although early onset in childhood and later onset after age 60 years have been reported.[patient.info]

  • 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] Presentation Onset is usually between the ages of 30 and 50 years, although early onset in childhood and later onset after age 60 years have been reported.[patient.info] SCA21 SCA21 is characterized by a young age of onset compared to some other dominant forms of ataxia (age 6-30 years).[ataxiacenter.umn.edu]

  • 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] Presentation Onset is usually between the ages of 30 and 50 years, although early onset in childhood and later onset after age 60 years have been reported.[patient.info] […] of onset - 6-30 years Gait and limb ataxia Akinesia Dysarthria Dysphagia Hyporeflexia Postural and resting tremor Rigidity Cognitive impairment Cerebellar atrophy Spinocerebellar[emedicine.medscape.com]

  • Early-Onset 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] Presentation Onset is usually between the ages of 30 and 50 years, although early onset in childhood and later onset after age 60 years have been reported.[patient.info] […] and downbeat nystagmus, often associated with nausea, vomiting and headache (migraine, often hemiplegic migraine).[neuroweb.us]

  • 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] The age of onset ranges from 6 to 86 years. Periodic episodes of paralysis occur on one side of the body and last for days.[encyclopedia.com] […] of onset - 6-30 years Gait and limb ataxia Akinesia Dysarthria Dysphagia Hyporeflexia Postural and resting tremor Rigidity Cognitive impairment Cerebellar atrophy Spinocerebellar[emedicine.medscape.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]

  • Cognitive Impairment with or without 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] SCA21 SCA21 is characterized by a young age of onset compared to some other dominant forms of ataxia (age 6-30 years).[ataxiacenter.umn.edu] […] and downbeat nystagmus, often associated with nausea, vomiting and headache (migraine, often hemiplegic migraine).[neuroweb.us]

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