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634 Possible Causes for Paroxysmal Activity - Spikes, Progressive Action Tremor, Spike-and-Slow-Waves

  • Benign Adult Familial Myoclonic Epilepsy

    Usually, myoclonic tremor is the presenting symptom, characterized by tremulous finger movements and myoclonic jerks of the limbs increased by action and posture.[uniprot.org] This was referred to as posterior paroxysmal activity by Holmes et al.[euroformhealthcare.biz] […] and slow wave seen in at least 85% of slow-wave sleep.  Characterized by a hallmark EEG presentation, called continuous spike and-wave during sleep (CSWS) or electrical[slideshare.net]

  • Epilepsy

    At 9 years, video EEG monitoring showed a striking pattern of interictal slow spike-wave and paroxysmal fast activity, maximal over the right, initially unaffected, hemisphere[ncbi.nlm.nih.gov] […] predominance, and multifocal spike-and-slow waves.[ncbi.nlm.nih.gov] paroxysmal fast activity, diffuse slowing slow background, generalized spike waves MRI normal normal vermis hypoplasia, cisterna magna normal partial agenesis of vermis unknown[ncbi.nlm.nih.gov]

    Missing: Progressive Action Tremor
  • Myoclonic-Astatic Epilepsy

    - or polyspike-wave activity at more than 2.5 Hz without generalized paroxysmal fast activity or focal spikes.[jamanetwork.com] EEG showed long sequences of slow spike-wave activity and half the patients had spike and slow wave foci.[ncbi.nlm.nih.gov] The interictal EEG revealed frequent bursts of generalized 100-200 μV, 2-4 Hz spike-and-slow-wave complexes.[ncbi.nlm.nih.gov]

    Missing: Progressive Action Tremor
  • Idiopathic Generalized Epilepsy

    Generalized spike-wave discharges and diffuse paroxysmal fast activity were categorized as interictal and ictal, based on duration of less than 10 seconds or greater, respectively[ncbi.nlm.nih.gov] Panayiotopoulos et al. (1994) [21] observed that 51.5% of patients had spike/multiple spike-slow wave discharges.[annalsofian.org] […] during tonic phase; bursts of spikes and slow waves during clonic phase 70% are seizure -free under treatment In some cases, no medical therapy is necessary avoid triggers[amboss.com]

    Missing: Progressive Action Tremor
  • Generalized Clonic or Tonic-Clonic Seizures

    , 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 pattern.[en.wikipedia.org] According to "Harrisons Manual of Medicine," the EEG during the tonic phase will show a "progressive increase in low-voltage fast wave activity, followed by generalized high-amplitude[en.wikipedia.org]

    Missing: Progressive Action Tremor
  • Juvenile Myoclonic Epilepsy

    The spike-peak and slow-wave onset phases did not show a consistently dominant outflow region.[ncbi.nlm.nih.gov] 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[ncbi.nlm.nih.gov] The discharge is frequently short and fragmented, the spike and slow wave complexes show interdischarge frequency variations with multiple spikes and other characteristics[neurologyindia.com]

    Missing: Progressive Action Tremor
  • Juvenile Absence Epilepsy

    The discharge is heterogeneous, often asymmetrical and may include irregular spike and slow wave complexes, fast and other paroxysmal activity.[en.wikipedia.org] All patients had minimum twice EEG recordings and all had typical 3-Hz generalized spike and slow-wave discharges at least on one EEG.[ncbi.nlm.nih.gov] EEG shows classical generalized 3 Hz spike-and-slow-wave discharges.[medlink.com]

    Missing: Progressive Action Tremor
  • West Syndrome

    […] and slow-wave activity ( Gibbs and Gibbs 1952 ).[medlink.com] Interictal EEG displays diffuse and asynchronous high voltage spikes and slow waves suggesting the hypsarrhythmic pattern. B.[bmcneurol.biomedcentral.com] Interictal The background EEG is often highly disorganized with high voltage irregular slow waves intermixed with multifocal spikes and polyspikes, this is termed 'hypsarrhythmia[epilepsydiagnosis.org]

    Missing: Progressive Action Tremor
  • Encephalopathy

    […] and paroxysmal bursts of sharp and slow waves, these drugs increase epileptiform activity in known epileptic patients, clozapine increase bilateral spike waves discharges[slideshare.net] […] and paroxysmal bursts of sharp and slow waves, these drugs increase epileptiform activity in known epileptic patients, clozapine increase bilateral spike waves discharges[slideshare.net] […] delta bursts, that is called as paradoxical arousal response 18. * Background slowing * Increased theta delta activity * Paroxysmal sharp waves * Theta bursts * Delta bursts[slideshare.net]

    Missing: Progressive Action Tremor
  • Uremic Encephalopathy

    […] discharges (PLEDS). [37] In hypokalemia, diffuse slow activity can be seen together with paroxysmal delta/theta activity, as well as focal paroxysms of sharp waves and spike-waves[neurologyindia.com] Intermittent bursts of high voltage slowing and spike and wave activity are noted, particularly in the frontal leads. 44 The EEG may show an initial deterioration after treatment[jnnp.bmj.com] […] discharges (PLEDS). [37] In hypokalemia, diffuse slow activity can be seen together with paroxysmal delta/theta activity, as well as focal paroxysms of sharp waves and spike-waves[neurologyindia.com]

    Missing: Progressive Action Tremor

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