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18 Possible Causes for Arrhythmic Slowing Occipital Right, Rhythmic Slowing Frontal, Slowing - Delta Waves Unilaterally

  • Stroke

    Thalamic lesions generally produced focal or unilateral delta activity, but the slow activity varied in time of onset, amplitude and degree of focality 16.[scielo.br] Bilateral hypothalamic and bilateral mesencephalic lesions produced bilateral slow waves 16.[scielo.br]

  • 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]

  • Traumatic Brain Injury

    OBJECTIVE: The aims of this study were to determine the prevalence and describe the importance of alcohol screening for all patients with traumatic brain injury (TBI) and examine the relationship between gender, age, Abbreviated Injury Scale (AIS), emergent decompressive craniectomy, Glasgow Coma Scale (GCS) from[…][ncbi.nlm.nih.gov]

  • Meningoencephalitis

    […] or bilateral slowing in the delta or theta frequencies and focal sharp-wave activity. 14 Pathological findings of von Economo disease typically consist of a nonhemorrhagic[jamanetwork.com] An EEG showed moderate diffuse background slowing and frequent runs of frontally predominant rhythmic delta waves consistent with seizure activity.[jamanetwork.com] The CSF glucose level is invariably normal, but oligoclonal band positivity has been reported. 21 An EEG during the acute phase of the illness often shows diffuse unilateral[jamanetwork.com]

  • Epilepsy

    Focal cortical dysplasia is a common cause of medically refractory epilepsy in infancy and childhood. We report a neonate with seizures occurring within the first day of life. Continuous video-EEG monitoring led to detection of left motor seizures and a right frontal EEG seizure pattern. Brain MRI revealed a lesion[…][ncbi.nlm.nih.gov]

  • Cerebral Hemorrhage

    Intracerebral hemorrhage is a rare event during pregnancy that can result in serious morbidity and mortality for the mother and infant. In this article, we describe a case involving a multiparous woman at 34 weeks gestation who presented with a 5-cm intracerebral bleed. Within 2 hours of presenting, she underwent[…][ncbi.nlm.nih.gov]

  • Astrocytoma

    A 41-year-old man presented to us with left arm and leg weakness and mild word finding difficulties. His preoperative magnetic resonance imaging (MRI) demonstrated abnormal T1 and T2 signal changes in the right temporal lobe and basal ganglia, indicative of possible glioma. An awake craniotomy for right temporal[…][ncbi.nlm.nih.gov]

  • 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]

  • Meningioma

    The vast majority of intraspinal meningiomas occur in an intradural extramedullary location. A meningioma in a purely extradural location in the cervical spine as reported here is quite exceptional. Extradural meningiomas tend to show more aggressive features than intradural meningiomas and are often confused with[…][ncbi.nlm.nih.gov]

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