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45 Possible Causes for Occipital Sharp-and-Slow-Waves

  • Epilepsy

    Epilepsy is a brain disorder in which a person has repeated seizures over time. Seizures are episodes of uncontrolled and abnormal firing of brain cells that may cause changes in attention or behavior. Epilepsy occurs when changes in the brain cause it to be too excitable or irritable. As a result, the brain sends[…][medlineplus.gov]

  • Panayiotopoulos Syndrome

    EEG showed right occipital high-amplitude sharp and slow-wave complexes followed by brief generalized discharges of slow waves.[ncbi.nlm.nih.gov] Interictal EEG shows occipital spikes although multifocal spikes with high amplitude sharp-slow wave complexes at various locations can be present.[ncbi.nlm.nih.gov] The electroencephalogram manifestations are severe with long runs of high amplitude occipital sharp and slow waves.[adc.bmj.com]

  • Rolandic Epilepsy

    The interictal EEG in Panayiotopoulos syndrome commonly reveals functional, mainly multifocal, high-amplitude sharp- and slow-wave complexes, with great variability at various[emedicine.com] Ictal EEGs show sudden occipital discharges.[emedicine.com] About one third of patients never show occipital spikes.[emedicine.com]

  • Ohtahara Syndrome

    Synonym(s): Early Infantile Epileptic Encephalopathy Table of Contents (click to jump to sections) What is Ohtahara Syndrome? Ohtahara syndrome is a neurological disorder characterized by seizures. The disorder affects newborns, usually within the first three months of life (most often within the first 10 days) in[…][web.archive.org]

  • Brain Neoplasm

    Continuum (Minneap Minn). 2015 Apr;21(2 Neuro-oncology):480-6. doi: 10.1212/01.CON.0000464183.35322.5f. Abstract Neurologists are often on the front lines of diagnosis for primary and metastatic brain tumors. Patients with brain tumors typically have multiple comorbidities and pain generators beyond headache,[…][ncbi.nlm.nih.gov]

  • Creutzfeldt Jakob Disease

    MRI found typical cortical hyperintensities in the occipital regions while rhythm slowing and sharp waves were seen in the occipital regions on EEG.[ncbi.nlm.nih.gov] EEG revealed diffuse and slow activities with periodic sharp-wave complex discharges seen in the right parietal, temporal and occipital lobes.[ncbi.nlm.nih.gov]

  • Angelman Syndrome

    Angelman syndrome (AS) is a genetic disorder characterised by severe mental retardation, subtle dysmorphic facial features, a characteristic behavioural phenotype, epileptic seizures and EEG abnormalities. AS can be caused by various genetic mechanisms involving the chromosome 15q11-13 region. Neurophysiological[…][ncbi.nlm.nih.gov]

  • Lennox-Gastaut Syndrome

    Review Article First Online: 09 November 2017 Abstract Lennox-Gastaut syndrome (LGS) is considered an epileptic encephalopathy and is defined by a triad of multiple drug-resistant seizure types, a specific EEG pattern showing bursts of slow spike-wave complexes or generalized paroxysmal fast activity, and[…][doi.org]

  • Early Myoclonic Encephalopathy

    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]

  • Miller Dieker Syndrome

    Summary Epidemiology MDS is undoubtedly a rare condition with a reported estimate of 1 cases per 100 000 live births, although incidence and prevalence are probably higher. Clinical description Children with MDS present with severe developmental delay, usually have epilepsy, and feeding problems are common. The[…][orpha.net]

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