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10 Possible Causes for Electroencephalogram Abnormal, Paroxysmal Activity - Sharp-Waves, Paroxysmal Activity - Sharp-Waves Bilaterally

  • Epilepsy

    Electroencephalogram findings were described in eleven, and nine (82%) showed epileptiform abnormalities.[ncbi.nlm.nih.gov] […] 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] Electroencephalograms (EEGs) measure electrical activity in the brain, helping to pinpoint which part of the brain is affected.[aurorahealthcare.org]

  • Rolandic Epilepsy

    An electroencephalogram (EEG) shows abnormal electrical activity involving the entire brain at once.[verywell.com] An electroencephalogram (EEG) detects abnormalities in the brain waves or electrical activity of the brain.[snowflakesofwinter.wordpress.com] These may be visualized in an electroencephalogram.[symptoma.com]

  • Creutzfeldt Jakob Disease

    The brainwave pattern observed during an electroencephalogram is abnormal in most vCJD patients.[web.archive.org] Periodic sharp-wave complexes were not observed on the electroencephalogram. Brain diffusion MRI did not reveal abnormal changes.[ncbi.nlm.nih.gov] An electroencephalogram (EEG) can reveal abnormal electrical impulses. A CT scan or MRI can rule out stroke as a cause of symptoms.[medicalnewstoday.com]

  • Encephalitis

    There may be fever, seizures, particular neurological findings, behavioural disturbances, abnormal brain waves (ie, electroencephalogram) or abnormal diagnostic imaging (ie[ncbi.nlm.nih.gov] A small amount is drawn off in a syringe and sent to a laboratory where it will be checked for any abnormalities.[brainandspine.org.uk] Electroencephalogram (EEG) An electroencephalogram (EEG) involves having wires attached to your head for 20 to 30 minutes during which time a recording of the electrical activity[brainandspine.org.uk]

  • Vascular Dementia

    Electroencephalogram ( EEG ) - Detects abnormal electrical activity in the brain Cerebral angiography - Not used routinely in the evaluation of vascular dementia but sometimes[emedicinehealth.com] This is generally accompanied by myoclonus, and periodic sharp wave complexes in electroencephalogram (EEG) traces. Death occurs within six months of disease onset.[doi.org] […] clinical presentation of sporadic CJD is very variable and can include visual disturbances and ataxia, but rapidly progressive dementia soon becomes the dominant clinical abnormality[doi.org]

  • Encephalopathy

    DIAGNOSES: After suffering for almost 8 years, the patient was diagnosed with HE based on clinical manifestation, abnormal electroencephalogram, unusual MRI findings, sensitivity[ncbi.nlm.nih.gov] . • Effect depend on dose, and duration of exposure * Narcoleptics—slowing of alpha, increase in theta and delta activity and paroxysmal bursts of sharp and slow waves, these[slideshare.net] […] or damage electroencephalogram (EEG) test to measure the electrical activity in your brain The treatment for encephalopathy varies depending on what caused it.[healthline.com]

  • Periventricular Leukomalacia

    We report a preterm infant, who showed abnormal amplitude-integrated electroencephalogram (aEEG) findings 1 h after birth and later developed cystic periventricular leukomalacia[ncbi.nlm.nih.gov] ., et al: Abnormal sharp transients on electroencephalograms in preterm infants with periventricular leukomalacia. J Pediatr 2003 ;143: 26 — 30.[doi.org] "Abnormal Sharp Transients on Electroencephalograms in Preterm Infants with Periventricular Leukomalacia." Journal of Pediatrics 143, no. 1 (July 1, 2003): 26 – 30.[encyclopedia.com]

  • Subacute Sclerosing Panencephalitis

    Diagnosis Blood tests and spinal fluid reveal high levels of antibodies to measles virus, and there is a characteristically abnormal electroencephalogram (EEG), or brain wave[medical-dictionary.thefreedictionary.com] An EEG revealed repetitive paroxysmal generalized bursts of sharp waves and intervals of slow wave activity (Fig. 2). Skull and chest roentgenograms were normal.[healio.com] Characteristic periodic activity is seen on electroencephalogram; pathologically, the white matter of both the hemispheres and brainstem is affected, as well as the cerebral[medical-dictionary.thefreedictionary.com]

  • Benign Familial Infantile Epilepsy Type 4

    The disorder is also characterized by a severely abnormal electroencephalogram (EEG) called “burst-suppression” in which short periods of abnormal brain activity are separated[kcnq2cure.org] The EEG examination showed diffuse abnormal background activity, with sporadic isolated bilateral sharp waves over the occipital regions (a).[onlinelibrary.wiley.com] In some affected individuals, the EEG shows a specific abnormality called the theta pointu alternant pattern.[cags.org.ae]

  • Pyridoxine Dependency Syndrome

    Electroencephalogram This is done through observing the pattern of the EEG of hypsarhythmia, modified hypsarhythmia or an electro decremental which presents an abnormal pattern[medicalfoster.com] The most noteworthy interictal pattern consists of bursts or runs of high voltage relatively bilaterally synchronous 1-4 Hz activity with intermixed spikes and or sharp waves[indianpediatrics.net] Abnormal electroencephalogram (EEG) patterns have also been reported in vitamin B 6 -deficient adults.[lpi.oregonstate.edu]

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