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18 Possible Causes for EEG Slowing, Slowing - Theta Waves Unilaterally on the Right

  • Stroke

    Deep Belief Networks Based Brain Activity Classification Using EEG from Slow Cortical Potentials in Stroke.[dergipark.org.tr] Abnormal EEG was found in 40 patients (58%) and was associated with higher age (p 0.021). The most common EEG pathology was focal slowing (30; 43.5%).[ncbi.nlm.nih.gov] Background The background EEG may be normal or show focal slowing over the location of the stroke.[epilepsydiagnosis.org]

  • Brain Concussion

    A brain concussion is a still incompletely defined syndrome of traumatic brain injury (TBI) that causes a spectrum of symptoms without evident structural damage to the brain. A headache, cognitive deficits, emotional instability, sleep disturbances, and an overall change in mental state after trauma are highly[…][symptoma.com]

  • Migraine

    Abstract Acute confusional migraine (ACM) shows typical electroencephalography (EEG) patterns of diffuse delta slowing and frontal intermittent rhythmic delta activity (FIRDA[ncbi.nlm.nih.gov] EEG was normal at the beginning of visual aura.[ncbi.nlm.nih.gov] After 15minutes, posterior slow waves appeared over the migrainous hemisphere, spreading progressively towards anterior regions: first the central region (5minutes after onset[ncbi.nlm.nih.gov]

  • Traumatic Brain Injury

    We report on a patient with traumatic brain injury who showed motor recovery concurrent with recovery of injured corticofugal tracts (CFTs), diagnosed by diffusion tensor tractography (DTT). Four weeks after onset, when the patient started rehabilitation, he showed severe weakness of both upper and lower[…][ncbi.nlm.nih.gov]

  • Epilepsy

    EEG findings showed that slow background activity was significantly common among patients with EP (P 0.009).[ncbi.nlm.nih.gov] Her EEG showed slow background with continuous occipital small spikes and photosensitivity.[ncbi.nlm.nih.gov] Electroencephalography (EEG) showed progressively slowed background activity and sporadic generalized spike-and-wave discharges.[ncbi.nlm.nih.gov]

  • Astrocytoma

    […] multiforme. [1] Diagnosis [ edit ] A continuous EEG recording of the brain's electrical activity may help to identify and localize seizure activity, especially in children[en.wikipedia.org] However, they are low-grade tumors, with a slow rate of growth, so that patients commonly survive longer than those with otherwise similar types of brain tumour, such as glioblastoma[en.wikipedia.org]

  • Meningoencephalitis

    The diffuse slowing seen on EEG and seizure activity suggest that cerebral cortex was affected by the meningoencephalitis.[jamanetwork.com] Electroencephalogram (EEG): Frequently abnormal (diffuse slowing with periodic discharges) in chronic and acute HSE and can sometimes help to determine the localisation in[patient.info] Continuous EEG monitoring in the neurologic intensive care unit showed generalized background slowing and frequent spike-and-wave activity.[jamanetwork.com]

  • Cerebral Hemorrhage

    Journal of Cerebral Blood Flow & Metabolism (2010) 30, 689–702; doi:10.1038/jcbfm.2009.282; published online 20 January 2010 Mast cells as early responders in the regulation of acute blood–brain barrier changes after cerebral ischemia and hemorrhage Perttu Johannes Lindsberg 1, 2, Daniel Strbian 1 and Marja-Liisa[…][web.archive.org]

  • Encephalitis

    The EEG showed a slow wave rhythm in all five patients.[ncbi.nlm.nih.gov] The EEG is invariably abnormal in HSE showing either early non-specific slowing or later “PLEDS” (periodic lateralising epileptiform discharges), although these are not themselves[doi.org]

  • CNS Metastasis

    CNS Oncol. 2017 Oct;6(4):315-323. doi: 10.2217/cns-2017-0015. Epub 2017 Oct 9. Author information 1 Department of Neurosurgery, National Neurosurgery Centre, Beaumont Hospital, Dublin 11, Ireland. 2 Department of Gynaecological Oncology, UCD School of Medicine, MMUH, Dublin 7, Ireland. 3 Department of Neuropathology,[…][ncbi.nlm.nih.gov]

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