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17 Possible Causes for Abnormal Spikes, lt 25 hz spike and slow waves, Response Is Occipital Spikes in Type 1

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  • Juvenile Absence Epilepsy

    All patients had minimum twice EEG recordings and all had typical 3-Hz generalized spike and slow-wave discharges at least on one EEG.[] Although focal spikes can occur, if they consistently arise in 1 area, consider structural brain abnormality. Caution . If slow spike-and-wave ( Imaging.[] The electroencephalogram (EEG) can show focal and generalised abnormalities (sharp waves, spikes or spike and slow waves).[]

  • Myoclonic-Astatic Epilepsy

    EEG showed long sequences of generalised irregular spike and slow waves.[] The type of abnormal activity is called ‘spike and wave’ or ‘polyspike and wave’. Children with myoclonic-astatic epilepsy are not usually photosensitive.[] […] and waves, photosensitivity, 4-7/sec rhythms), no multifocal EEG abnormalities (but often pseudofoci).[]

  • Generalized Clonic or Tonic-Clonic Seizures

    […] generalized high-amplitude, poly spike discharges." [2] The clonic phase EEG will show "high amplitude activity that is typically interrrupted by slow waves to create a spike-and-slow-wave[] Jerk-locked premyoclonus spikes Hand tremor Neuronal loss in central nervous system Cutaneous photosensitivity Hyperreflexia Heterogeneous Weight loss Dystonia Splenomegaly[] Abnormal asymmetry in benign epilepsy with unilateral and bilateral centrotemporal spikes: a combined fMRI and DTI study.[]

  • Juvenile Myoclonic Epilepsy

    We applied dipole modeling and brain distributed source analysis to find current sources comprising spikes and slow waves of polyspike and wave complexes (PSWC) in patients[] We compared the occurrence and involvement of posterior electrodes for focal abnormalities and generalised spike-wave activity in the EEG outside photic stimulation between[] Each SWD was divided into six distinct temporal phases: spike onset, spike peak, slow-wave onset, slow-wave ascending, slow-wave peak, and slow-wave descending phases.[]

  • Epilepsy

    waves.[] If you have epilepsy, the EEG may show abnormal spikes or waves in your brain's electrical activity patterns. Different types of epilepsy cause different patterns.[] Epileptiform activity characteristic of people with epilepsy includes abnormalities such as spikes, sharp waves and spike-wave complexes, ( slides 21 & 22 ). IV.[]

  • Benign Adult Familial Myoclonic Epilepsy

    […] and slow-wave complexes at 3 Hz associated with myoclonus.  Interictal EEG is variable and ranges from normal to background slowing and generalized spike and slow-wave activity[] Landau-Kleffner Syndrome and Continuous Spike wave in slow wave sleep: The epileptiform abnormalities seen during sleep EEG in these children is markedly increased compared[] EEG shows generalized spike waves and polyspike waves, early photosensitivity, and focal abnormalities.[]

  • West Syndrome

    […] and slow-wave activity ( Gibbs and Gibbs 1952 ).[] Brain MRI revealed no abnormal findings although interictal EEG demonstrated left centro-parieto-temporal localized spike foci.[] The patient was followed up to 13 years of age, and at the last examination was shown to have severe speech delay, seizures, and continuous spike-and-wave activity on EEG.[]

  • Idiopathic Generalized Epilepsy

    […] and slow waves during clonic phase 70% are seizure -free under treatment In some cases, no medical therapy is necessary avoid triggers Epilepsy with myoclonic-atonic seizures[] The abnormalities included generalized spike-wave and/or spike-polyspike morphology in majority.[] Abstract Magnetic resonance imaging (MRI) techniques have been used to quantitatively assess focal and network abnormalities.[]

  • Encephalopathy

    Structural abnormalities can often be seen on cranial MRI.[] The characteristic electroencephalogram (EEG) displays a suppression burst pattern (which appears with the onset of spasms) that is comprised of bursts of high amplitude spikes[]

  • Early Infantile Epileptic Encephalopathy Type 3

    West Syndrome (WS) aka as infantile spasms with hypsarrhythmia, EEG abnormality with asynchronous very high amplitude, irregular, continuous multifocal spike an slow wave[] Diagnosis The EEG, which records the electrical activity in the brain, shows evidence of abnormal discharges, or spikes and waves mixed in with periods of flatness.[] […] or slow waves mainly in the rolandic regions (but may also occur elsewhere) Early myoclonic encephalopathy - Ictal EEG The myoclonia do not have an ictal EEG expression and[]

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