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83 Possible Causes for Central Sharp-and-Slow-Waves, Focal Sharp-Waves or Spikes Occipital or Temporal, Paroxysmal Activity - Sharp-Waves

  • Epilepsy

    […] background, diffusemultifocal sharp waves and sharp waves-slow waves; paroxysmal fast activity Neurological examination mild diffuse hypotonia, mild ataxia with wide based[ncbi.nlm.nih.gov] wave located in the right central-parietal lobe.[dovepress.com] EEG at 11 months showed right central high voltage slowing and sharp waves, and at 2.5 years, was unremarkable.[brain.oxfordjournals.org]

  • Rolandic Epilepsy

    Although called centrotemporal spikes, these are mainly high amplitude sharp and slow wave complexes localised in the C3/C4 (high central) in 30 % of patients and C5/C6 (low[omicsonline.org] 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] It is important to perform a wake–sleep EEG because the spike-wave discharges are activated as the patient enters the sleep phase of the study.[omicsonline.org]

  • Creutzfeldt Jakob Disease

    Sporadic Creutzfeldt-Jakob disease (sCJD) mainly occurs in the elderly, with the peak age of onset ranging from 55 to 75 years. The symptoms of sCJD are not unique, and laboratory tests such as magnetic resonance imaging (MRI), electroencephalogram (EEG) and cerebrospinal fluid (CSF)14-3-3 protein have low[…][ncbi.nlm.nih.gov]

  • Fragile X Syndrome

    Fragile-X syndrome (FXS) is a frequent genetic form of intellectual disability (ID). The main recurrent mutagenic mechanism causing FXS is the expansion of a CGG repeat sequence in the 5'-UTR of the FMR1 gene, therefore, routinely tested in ID patients. We report here three FMR1 intragenic pathogenic variants not[…][ncbi.nlm.nih.gov]

  • Early Infantile Epileptic Encephalopathy Type 3

    ., multifocal spike- and sharp-wave discharges, repetitive paroxysmal activity, unusually low-voltage fast activity, and findings consistent with complex partial seizures[graphyonline.com] Inter-ictally, clusters of sharp-slow wave focal discharges maximum around the left Rolandic regions (left). They became continuous during natural sleep (right).[slideshare.net] Ictal discharge starts from the left central regions and rapidly spreads to the neighbouring regions.[slideshare.net]

  • Lennox-Gastaut Syndrome

    Interictal EEG showed findings characteristic of LGS: generalized slow spike-wave complexes, multifocal sharp waves, generalized polyspikes and paroxysmal fast activity during[ncbi.nlm.nih.gov] In fact, 10/24 cases showed normal sleep transients with presence of symmetric vertex sharp waves in stage 1 non-REM sleep and also symmetric and well structured sleep spindles[omicsonline.org] Also during sleep interictal background activity may be normal.[omicsonline.org]

  • Benign Adult Familial Myoclonic Epilepsy

    Alvarez and Lombroso reported hypnagogic paroxysmal spike wave activity (minimal epileptiform features, sharp waves embedded into hyperventilation , or hypnagogic hypersynchrony[euroformhealthcare.biz] The EEG in BRE has distinctive, high-amplitude, diphasic spikes or sharp waves with a prominent slow wave, in the midtemporal (T3, T4) and central (C3, C4) regions (Fig. 5[euroformhealthcare.biz]

  • Vascular Dementia

    Many of the previous studies of vascular dementia using proton magnetic resonance (MR) spectroscopy had been carried out on white matter. However, no proton spectroscopic data of the subcortical gray matter are available in such disease. We report two cases suffering from vascular dementia, with an unilateral[…][ncbi.nlm.nih.gov]

    Missing: Central Sharp-and-Slow-Waves
  • Encephalitis

    Rev Neurol (Paris). 2018 Apr;174(4):228-236. doi: 10.1016/j.neurol.2017.11.004. Epub 2018 Mar 31. Author information 1 Centre de référence maladies rares 'Syndromes neurologiques paranéoplasiques', hospices civils de Lyon, hôpital neurologique, neurologie B, 69677 Bron, France; INMG (NeuroMyoGene Institut), Inserm U1217/CNRS[…][ncbi.nlm.nih.gov]

    Missing: Central Sharp-and-Slow-Waves
  • Panayiotopoulos Syndrome

    […] in both hemispheres or focally in the temporal or temporo-occipital regions.[ispub.com] The electroencephalogram manifestations are severe with long runs of high amplitude occipital sharp and slow waves.[adc.bmj.com] Although called centrotemporal spikes, these are mainly high amplitude sharp and slow wave complexes localised in the C3/C4 (high central) in 30 % of patients and C5/C6 (low[omicsonline.org]

    Missing: Paroxysmal Activity - Sharp-Waves

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