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19 Possible Causes for EEG Generalized Slowing, Episodic Blurred Vision

  • Hypoglycemia

    vision Headache Trouble performing routine tasks Note: Symptoms can vary from person to person and episode to episode.[] Symptoms of Hypoglycemia Symptoms of hypoglycemia include the following: Sweating Rapid pulse Shakiness, dizziness, weakness Decreased coordination Difficulty concentrating Blurred[]

  • Stroke

    CONCLUSIONS: Abnormal EEG in general and generalized slowing in particular are associated with clinical deterioration after acute ischemic stroke.[] He developed headache, nausea, vomiting, blurred vision, diplopia, dizziness, and ataxia following the procedure.[] Background The background EEG may be normal or show focal slowing over the location of the stroke.[]

  • Temporal Lobe Epilepsy

    Advanced neurophysiologic techniques such as EEG and magnetoencephalography source imaging can help to determine the area generating the initial and propagated interictal[] ; recurrent nightmares of stereotyped kind episodes of blurred vision or diplopia Not Necessarily Disintegrative PTLSs (NPTLSs) Symptoms Not Necessarily Requiring Treatment[] EEG showed focal slow waves and epileptic abnormalities on temporal regions in 1 patient and was normal in the other affected individuals.[]

  • Migrainous Stroke

    Electroencephalograms (EEGs) were performed in five patients and showed generalized slowing.[] Furthermore, she continued to have dizziness and occasional episodes of blurred vision and vomiting.[] […] of vomiting, extreme sensitivity to light and sound, disorientation, dizziness and blurred vision.[]

  • Dialysis Disequilibrium Syndrome

    . 3, 10,11 Between dialysis sessions, the EEG may show background slowing. 12,13 During dialysis, increased slow activity, bursts of bilaterally symmetrical slow waves, and[] After one particularly severe episode, which was associated with vomiting, restlessness and blurred vision, her team suspected that she was developing dialysis disequilibrium[] This results in an increase in brain extracellular water and brain edema. 8,9 Decrease in intracellular pH and generation of osmolar molecules may contribute to cerebral edema[]

  • Migraine Headache Equivalent

    , with slowing in focal or generalized patterns and occipital spike-wave complexes.[] Collateral symptoms other than headaches accompanying vertigo attacks were pallor, nausea, vomiting, phonophobia, photophobia and blurring of vision.[] […] sensitivity, mood change, irritability, personality change, confusion, anxiety, blurred vision, distress, stuffy nose, and a fever that may run as high as 104 F.[]

  • Bickerstaff Brainstem Encephalitis

    (90%) - generalized slow or disorganized activity without epileptic discharges that may overlap with electrographic seizures. • 30% patients - unique EEG pattern called extreme[] The symptoms persisted, and on day 3 he developed blurred vision, dizziness, and nausea.[] […] on MRI FLAIR or T2 sequences and less often, faint or transient contrast enhancement of the cerebral cortex, overlaying meninges, basal ganglia, or brainstem • Abnormal EEG[]

  • CADASIL Syndrome

    vision in late adolescence.[] Electroencephalograms (EEGs) were performed in five patients and showed generalized slowing.[] Although both of these individuals had migraine with aura, these episodes did not resemble their usual auras, nor were they associated with headache. Both were MCs.[]

  • Baló Concentric Sclerosis

    vision Examination of the CSF may show an increase in chronic inflammatory cells.[] EEG showed a focal left frontal slowing. There were trifocal lesions measuring 23 to 50mm across in MRI.[] EEG showed diffuse generalized slowing. Serology studies revealed IgM seropositivity for Legionella and Mycoplasma.[]

  • Episodic Ataxia

    Fig. 2 EEG of case III2 during complex partial epileptic seizure. Right temporal sharp and slow waves generalize to involve the right hemisphere.[] During episodes, many of those affected manifest dizziness, nausea, vomiting, headaches, blurred or double vision, dyslexia and tinnitus.[] EEG may be characterized by intermittent and generalized slow activity, frequently intermingled with spikes.[]

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