Abnormal Visual Evoked Potentials Causes & Reasons

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Abnormal Visual Evoked Potentials Symptom Checker: Possible causes include Alpers Syndrome. Check the full list of possible causes and conditions now! Talk to our Chatbot to narrow down your search.

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Possible Causes

Alpers Syndrome

visual evoked potential AR POLG #203700 ALPORT SYNDROME Cataracts, anterior lenticonus, myopia, retinal pigmentary changes XLD, AR COL4A5, COL4A4, COL4A3 #301050, #203780 [eyewiki.aao.org]

evoked potentials (VEPs) are abnormal, and cranial imaging shows a progressive brain atrophy, usually occipital. [jnnp.bmj.com]

EEG and visual evoked potentials were abnormal. Most patients died before the age of three years. [pjms.com.pk]

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Congenital Merosin-Positive Muscular Dystrophy

[…] the occipital lobes on MRI and abnormal visual evoked potentials. [ncbi.nlm.nih.gov]

Imaging findings in the pure form of CMD have recently been reported, along with their association with abnormal sensory and visual evoked potentials (6, 7, 10). [ajnr.org]

Visual-evoked potentials were normal in the children with merosin-positive congenital muscular dystrophy but were abnormal in those with merosin deficiency. [ncbi.nlm.nih.gov]

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Early Infantile Epileptic Encephalopathy Type 3

Epileptic encephalopathy with suppression-burst in electroencephalography (EEG) can evolve into a few types of epileptic syndromes. We present here an unusual case of early myoclonic encephalopathy that evolved into migrating partial seizures in infancy. A female neonate initially had erratic myoclonus movements,[…] [ncbi.nlm.nih.gov]

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Vitamin B12 Deficiency

Some evidence suggests that EEG, visual and somatosensory evoked potentials, and P300 latency abnormalities readily improve with treatment even if no clinical benefits are [doi.org]

A correlation of vitamin B 12 treatment and decreases in MMA and total Hcy has been shown, 10 suggesting a reversal of metabolic abnormalities. [doi.org]

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Neonatal Hypoglycemia

A large number showed posterior abnormalities on electroencephalography (EEG). Visual loss with abnormal visual evoked potential was the most frequent visual finding. [ncbi.nlm.nih.gov]

Restricted diffusion was associated with abnormal visual evoked potentials detected within 1 week after birth. [ncbi.nlm.nih.gov]

Ninety percent of cases showed abnormal signal of the posterior head region on magnetic resonance imaging (MRI). [ncbi.nlm.nih.gov]

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Anemia

Visual evoked potential (VEP) findings are as follows: VEP findings may be abnormal even without visual symptoms or signs. [web.archive.org]

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Infantile Neuroaxonal Dystrophy

Electromyographic (EMG) signs of chronic denervation, fast rhythms on EEG and abnormal visual evoked potentials were observed in all patients during the disease course. [ncbi.nlm.nih.gov]

[…] pyramidal sign 0007256 Abnormality of metabolism/homeostasis Laboratory abnormality Metabolism abnormality [ more ] 0001939 Abnormality of visual evoked potentials 0000649 [rarediseases.info.nih.gov]

[…] these symptoms Areflexia Absent tendon reflexes 0001284 Decreased nerve conduction velocity 0000762 Percent of people who have these symptoms is not available through HPO Abnormal [rarediseases.info.nih.gov]

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Autosomal Recessive Spastic Paraplegia Type 46

Abnormal visual evoked potentials and pattern ERG may also reflect the dysfunction of the RGCs and their axons. [ncbi.nlm.nih.gov]

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Posterior Cerebral Artery Occlusion

Positron emission tomography and pattern-reversal visual-evoked potentials yielded high incidence of abnormality in the occlusive group (86% and 75%, respectively), and expressed [ncbi.nlm.nih.gov]

Since pattern-reversal visual-evoked potentials is popular and a low-cost examination compared with positron emission tomography, we conclude that pattern-reversal visual-evoked [ncbi.nlm.nih.gov]

Abnormalities of those examinations were highly specific to PCA occlusion. [ncbi.nlm.nih.gov]

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Acute Zonal Occult Outer Retinopathy

[…] pattern visual evoked potentials (VEPs) at the onset and significant functional recovery in the natural course. [dovepress.com]

[…] pattern visual evoked potentials. ( 21966193 ) Chai Y....Yamamoto S. 2011 [malacards.org]

Chai Y, Yamazaki H, Fujinami K, Tsunoda K, Yamamoto S (2011) Case of acute zonal occult outer retinopathy with abnormal pattern visual evoked potentials. [omicsonline.org]

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Growth Failure

Electrophysiologic studies showed normal conduction times for visual evoked, somatosensory, and motor potentials. Molecular Studies Figure 3. Figure 3. [nejm.org]

Neurologic Studies Magnetic resonance imaging of the brain showed slightly enlarged occipital horns of the lateral ventricles but no other abnormalities, with an adult pattern [nejm.org]

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Multiple Symmetric Lipomatosis

abnormal visually evoked potentials (4 patients) or somatosensory evoked potentials (SEP) (4 patients)]. [ncbi.nlm.nih.gov]

CNS dysfunction was documented by evoked potentials in 8 subjects [prolonged latency or low amplitude of the motor response following cortical magnetic stimulation (4 patients [ncbi.nlm.nih.gov]

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Micturition Syncope

In cases of severe microphthalmia, a flash visual evoked potential (VEP) will establish if any visual function is present. [eyewiki.aao.org]

[…] impairment and help to determine at which level the abnormality is. [eyewiki.aao.org]

[…] on T2-weighted image the cyst appears hyperintense and there is no enhancement with gadolinium. [17] Electrophysiological tests are critical for assessing the severity of visual [eyewiki.aao.org]

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Ataxia-Oculomotor Apraxia Syndrome

However, his visual evoked potential was found to be abnormal upon binocular and monocular testing due to a low amplitude response. [annalsofian.org]

His abnormal visual evoked potentials may be suggestive of ocular involvement, although it was not appreciated on history or physical examination. [annalsofian.org]

This may play a major role in the observed oculomotor symptoms and may also be the cause of the abnormal visual evoked potentials seen in our patient. [annalsofian.org]

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Infantile Neuroaxonal Dystrophy 1

Electromyographic (EMG) signs of chronic denervation, fast rhythms on EEG and abnormal visual evoked potentials were observed in all patients during the disease course. [neurology.org]

abnormal visual evoked potentials. [slideplayer.com]

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Migraine

Vestibular-evoked myogenic potentials (VEMP) testing has proven quite useful in determining differential diagnoses. [vestibular.org]

Abnormalities of sensory evoked potentials, including visual evoked potentials and auditory evoked cortical responses, in migraine both with and without aura suggest a dysfunction [doi.org]

Gaze stability testing and dynamic visual acuity testing—after cervicalgia is resolved with appropriate treatments—are typically abnormal. [vestibular.org]

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Medial Sclerosis

[…] for developing MS compared to double-negative findings. [22] Visual evoked potentials In clinical practice, visual evoked potentials (VEP) testing is typically unnecessary [emedicine.medscape.com]

In a 2015 study of 357 children with isolated optic neuritis, positive oligoclonal bands in the CSF and abnormal cranial MRI findings conferred a 27-fold higher hazard ratio [emedicine.medscape.com]

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Demyelinating Disease

The brain and cervical MRI showed demyelinating lesions with abnormal cerebrospinal fluid (CSF) and visual evoked potentials and the patient was successfully treated with [ncbi.nlm.nih.gov]

Types of Evoked potentials Visual evoked potentials (VEP) abnormal in 70% of MS patients Brainstem auditory evoked potentials (BAEP) abnormal in 47% of patients Somatosensory [slideshare.net]

Evoked potentials; measure conduction through CNS and reveal areas of demyelination by showing slowed conduction through pathways where myelin has been damaged. 31. [slideshare.net]

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Primary Progressive Multiple Sclerosis

visual evoked potential MR imaging lack of viable alternative diagnosis The exact etiology is poorly known although it is believed to have both genetic and acquired contributory [radiopaedia.org]

[…] of abnormally prolonged latencies varied from 50% for brainstem auditory evoked response to 68% for visual evoked potential, 85% (n 22) had abnormally prolonged latencies [jamanetwork.com]

[…] and various investigations (see McDonald diagnostic criteria for multiple sclerosis ), including 19 : typical history oligoclonal bands in CSF immunoglobulin G in serum abnormal [radiopaedia.org]

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Acute Transverse Myelitis

Abnormal visual evoked potentials occurred in 11.5% of 26 patients. Positivity for anti-AQP4 was found in 23.5% of the 17 cases tested, suggesting limited forms of NMO. [ncbi.nlm.nih.gov]

Somatosensory evoked potentials were abnormal in 19 (61%), while pattern-shift visual and brainstem auditory evoked potentials were normal in all patients. [academic.oup.com]

CSF was abnormal in 94% of patients with pleocytosis, increased protein or both. Eighteen patients (58%) had good outcome. All patients had monophasic illness. [academic.oup.com]

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Postinfectious Encephalomyelitis

Somatosensory evoked potentials were abnormal in 19 (61%), while pattern-shift visual and brainstem auditory evoked potentials were normal in all patients. [ncbi.nlm.nih.gov]

CSF was abnormal in 94% of patients with pleocytosis, increased protein or both. Eighteen patients (58%) had good outcome. All patients had monophasic illness. [ncbi.nlm.nih.gov]

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Pyelonephritis

She had abnormal somatosensory evoked potentials and nerve conduction studies from both upper limbs suggesting a lesion in the large fibre sensory pathways at the level of [thorax.bmj.com]

Visual evoked potentials of both eyes were attenuated, but not delayed, compatible with bilateral axonal optic neuropathy. [thorax.bmj.com]

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Familial Multinodular Goiter

[…] electromyogram[EMG]) 이상 안전도(眼電圖)(Abnormal electro-oculogram[EOG]) 이상 망막전도(Abnormal electroretinogram[ERG]) 이상 시각 유발 전위(Abnormal visually evoked potential[VEP]) 신경자극에 대한 이상 [dic.impact.pe.kr]

반응(Abnormal response to nerve stimulation) R94.2 폐 기능 연구상 이상 결과(Abnormal results of pulmonary function studies) 감소된 환기용량(Reduced ventilatory capacity) 감소된 폐활량(Reduced vital [dic.impact.pe.kr]

이상 뇌전도(Abnormal electroencephalogram)[EEG] R94.1 말초신경계 및 특수감각 기능 연구상 이상 결과(Abnormal results of function studies of peripheral nervous system and special senses) 이상 근전도(Abnormal [dic.impact.pe.kr]

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Cortical Blindness

Computed Tomography Scans showed no abnormalities. Visual evoked potential (VEP) was not performed as it was unavailable. [ncbi.nlm.nih.gov]

Visual evoked potentials recorded during blindness were abnormal in 15 of 19 patients, but did not correlate with the severity of visual loss or with outcome. [ncbi.nlm.nih.gov]

Specialised Ophtalmic and neurological examinations revealed no abnormalities. An electroencephalogram (EEG) was marked with the absence of alpha waves. [ncbi.nlm.nih.gov]

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Foot Deformity

[…] and audiometry, and improvement in growth, muscle tone, pulmonary function, and visual evoked potentials in some patients [1,2,3,4]. [cerebellumandataxias.biomedcentral.com]

Previous reports have noted that response to high-dose riboflavin supplementation can be life-saving and has included stabilization of function, normalization of metabolic abnormalities [cerebellumandataxias.biomedcentral.com]

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Photoretinitis

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Unverricht-Lundborg Syndrome

Somatosensory-evoked potential and visual-evoked potential tests showed normal latencies, shapes, and amplitudes. [synapse.koreamed.org]

Brain magnetic resonance imaging and magnetic resonance spectroscopy revealed no abnormalities. [synapse.koreamed.org]

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Radiculomyelopathy

She had abnormal somatosensory evoked potentials and nerve conduction studies from both upper limbs suggesting a lesion in the large fibre sensory pathways at the level of [thorax.bmj.com]

Visual evoked potentials of both eyes were attenuated, but not delayed, compatible with bilateral axonal optic neuropathy. [thorax.bmj.com]

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Spastic Quadriplegic Cerebral Palsy Type 2

Diagnosis is made by showing notably delayed cerebral myelination on MRI, abnormal visual evoked potentials, or, more definitively, by DNA analysis. 3-Methylglutaconic aciduria [adc.bmj.com]

[…] of visual evoked potentials Delusions Respiratory arrest Genu recurvatum Increased CSF lactate EMG: neuropathic changes Loss of speech Progressive gait ataxia Vegetative [mendelian.co]

[…] state Progressive peripheral neuropathy Headache Decerebrate rigidity EMG: chronic denervation signs Abnormal social behavior Punctate periventricular T2 hyperintense foci [mendelian.co]

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Sjögren-Larsson Syndrome

visual evoked potential results. [ncbi.nlm.nih.gov]

Abnormal visual evoked potential results along with the presence of distinctive foveal and parafoveal deposits, which could have a prognostic bearing on the visual acuity [ncbi.nlm.nih.gov]

[…] born out of consanguineous marriage in an Indian family and had typical clinical manifestations of Sjögren-Larsson syndrome were found to have normal electroretinogram and abnormal [ncbi.nlm.nih.gov]

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