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16 Possible Causes for EEG Generalized Slowing, Episodic Blurred Vision, Paresthesia

  • Hypoglycemia

    vision Headache Trouble performing routine tasks Note: Symptoms can vary from person to person and episode to episode.[visionaware.org] Severe hypoglycemia eventually lead to glucose deprivation of the central nervous system resulting in hunger; sweating; paresthesia; impaired mental function; seizures; coma[icd9data.com] […] discomfort Headache Abnormal thinking, impaired judgment Nonspecific dysphoria, moodiness, depression, crying, exaggerated concerns Feeling of numbness, pins and needles (paresthesia[en.wikipedia.org]

  • Stroke

    CONCLUSIONS: Abnormal EEG in general and generalized slowing in particular are associated with clinical deterioration after acute ischemic stroke.[ncbi.nlm.nih.gov] He developed headache, nausea, vomiting, blurred vision, diplopia, dizziness, and ataxia following the procedure.[ncbi.nlm.nih.gov] Doctors may refer to the tingling sensations as paresthesia. Here we look at possible causes, diagnosis, and treatment options.[medicalnewstoday.com]

  • Migraine Headache Equivalent

    , with slowing in focal or generalized patterns and occipital spike-wave complexes.[emedicine.medscape.com] Collateral symptoms other than headaches accompanying vertigo attacks were pallor, nausea, vomiting, phonophobia, photophobia and blurring of vision.[headache.imedpub.com] (2); visual symptoms, paresthesias, and speech disturbances (3); visual symptoms, paresthesias, speech disturbances, and weakness (20); visual and brainstem symptoms (3);[medlink.com]

  • Neurocysticercosis

    The EEG is abnormal in up to 50% of cases, demonstrating a variety of findings (diffuse slowing, focal paroxysmal activity, generalized spike waves) depending on lesion number[epilepsy.com] The headache was occipital and was associated with blurred vision, photophobia, tingling of the hands, episodes of flashing lights and images, and difficulty concentrating[mdedge.com] A case of a middle-aged man with neurocysticercosis in the intradural extramedullary cervical spine and brain who originally presented with bilateral paresthesias of his extremities[ncbi.nlm.nih.gov]

  • Migrainous Stroke

    Electroencephalograms (EEGs) were performed in five patients and showed generalized slowing.[journals.plos.org] Furthermore, she continued to have dizziness and occasional episodes of blurred vision and vomiting.[omicsonline.org] Classic migraine : Migraine headache with aura (loss of vision or other visual symptoms, paresthesias, motor dysfunction) precedes the throbbing headache. 15-20% of migraines[dizziness-and-balance.com]

  • 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[ncbi.nlm.nih.gov] ; recurrent nightmares of stereotyped kind episodes of blurred vision or diplopia Not Necessarily Disintegrative PTLSs (NPTLSs) Symptoms Not Necessarily Requiring Treatment[pni.org] Their ictal symptomatology included feelings of panic and impending doom, hyper-ventilation, palpitation, diaphoresis, shortness of breath and generalized paresthesiae.[ncbi.nlm.nih.gov]

  • 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[de.slideshare.net] The symptoms persisted, and on day 3 he developed blurred vision, dizziness, and nausea.[bmcresnotes.biomedcentral.com] Paresthesias, severe weakness, and drowsiness rapidly developed indicating an overlap with BBE and GBS.[ncbi.nlm.nih.gov]

  • 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[epilepsy.com] After one particularly severe episode, which was associated with vomiting, restlessness and blurred vision, her team suspected that she was developing dialysis disequilibrium[casereports.bmj.com] […] affected by pH changes, albumin fluctuations, and hyperphosphatemia. 8 Symptoms developing when ionized calcium levels fall below 2.5 mg/dL include perioral and fingertip paresthesias[ahcmedia.com]

  • 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.[doi.org] During episodes, many of those affected manifest dizziness, nausea, vomiting, headaches, blurred or double vision, dyslexia and tinnitus.[ivami.com] All but one young patient had additional neurologic symptoms that included paresthesia, weakness, headache, tinnitus, vertigo, and myotonia.[ncbi.nlm.nih.gov]

  • Baló Concentric Sclerosis

    EEG showed a focal left frontal slowing. There were trifocal lesions measuring 23 to 50mm across in MRI.[thieme-connect.com] vision Examination of the CSF may show an increase in chronic inflammatory cells.[meducator3.net] We present the case of 29 years old female that developed acute neurological deficits consisting of dysesthesia and paresthesias localized in the right half of the face and[garj.org]

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