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Arnold Chiari Malformation
The Arnold-Chiari malfomation is typically associated with downbeat nystagmus.[ncbi.nlm.nih.gov]
Differential Diagnosis of downbeating nystagmus Other causes of constant downbeating nystagmus that should generally be considered are migraine , paraneoplastic cerebellar[dizziness-and-balance.com]
Eye movement recordings in two patients with Arnold-Chiari malfomation type 1 showed, in addition to downbeat and gaze evoked nystagmus, intermittent nystagmus of skew.[ncbi.nlm.nih.gov]
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Spinocerebellar Ataxia Type 5
The phenotype is characterized by a purely cerebellar syndrome with a downbeat nystagmus occurring prior to the development of other features.[ncbi.nlm.nih.gov]
Two of the six demonstrated downbeat nystagmus in the primary position on ophthalmoscopy, and one of these and one other displayed upwards gaze evoked nystagmus on upgaze.[jnnp.bmj.com]
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Brain Stem Disorder
nystagmus and oculomyoclonus (medullary involvement) See Clinical Presentation for more detail.[emedicine.medscape.com]
Sensory loss in the face (involvement of the trigeminal nucleus) Dysphagia and/or dysphonia from lower cranial nerve involvement (commonly IX and X) Long tract signs Ataxia Downbeating[emedicine.medscape.com]
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Fish Poisoning
[…] perverted head-shaking nystagmus.[ncbi.nlm.nih.gov]
We describe the case of a young man who suffered from diarrhea and abdominal pain after eating raw fish and who also developed severe ataxia with spontaneous downbeat and[ncbi.nlm.nih.gov]
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Epidural Hematoma
Herniation through the foramen magnum is associated with downbeat nystagmus, bradycardia, bradypnea, and hypertension.[clinicaladvisor.com]
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Congenital Nystagmus 2, Autosomal Dominant
Schlüsselwörter Schwindel Nystagmus Neuritis vestibularis Morbus Menière Vestibularisparoxysmie Vestibuläre Migräne Episodische Ataxie Typ 2 Downbeat-Nystagmus Upbeat-Nystagmus[doi.org]
Downbeating nystagmus can be elicited by the head-shaking test.[tchain.com]
Downbeat nystagmus is associated with cervicocranial abnormalities, such as Arnold-Chiari malformation or spinal cerebellar degeneration. Monocular nystagmus.[aao.org]
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Osteogenesis Imperfecta Type 13
Downbeat nystagmus (case 1) has the most precise localising value.[jnnp.bmj.com]
Downbeat nystagmus was present. Within 9 months he had developed bilateral extensor plantar responses.[jnnp.bmj.com]
Downbeat nystagmus is not usually seen in brainstem pathology alone or in drug toxicity, although there are isolated case reports.[jnnp.bmj.com]
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Heat Stroke
The downbeat nystagmus lasted for 6 days and than gradually disappeared. The ataxia and dysmetria improved gradually over 2 months.[ncbi.nlm.nih.gov]
We report a case of a 39-year-old man who presented with a cerebellar syndrome including downbeat nystagmus. MRI taken after 3 days of admission was normal.[ncbi.nlm.nih.gov]
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Cervical Spina Bifida without Hydrocephalus
Differential Diagnosis of downbeating nystagmus Other causes of constant downbeating nystagmus that should generally be considered are migraine , paraneoplastic cerebellar[dizziness-and-balance.com]
Positional nystagmus is common. It is most commonly downbeating or lateral beating.[dizziness-and-balance.com]
Much stronger downbeating nystagmus seen on eccentric gaze, in patient with a prominent Chiari Malformation.[dizziness-and-balance.com]
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Familial Hemophagocytic Lymphohistiocytosis
We describe a unique case of hemophagocytic lymphohistiocytosis in which downbeat nystagmus developed due to cerebellar swelling with compression of the cervicomedullary junction[ncbi.nlm.nih.gov]