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269 Possible Causes for Paroxysmal Activity - Spikes, Polyspike-and-Slow-Waves, Progressive Action Tremor

  • 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] […] or polyspike and slow-wave complexes.  Variable course and outcome.  One half experience encephalopathic effects and suffer from persistent GTCS, myoclonic-atonic status[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] Generalized polyspike-slow wave in EEG was common to see in myoclonic seizure and can help to make the classification.[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
  • 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] […] and waves with frontocentral predominance Interictal EEG : 4–6 Hz bilateral polyspike and slow wave Responds well to antiseizure drug therapy; seizures become less frequent[amboss.com] EEG findings About half of patients had an abnormal EEG viz. spikes, polyspikes and slow waves.[annalsofian.org]

    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] Ictal EEG Myoclonic and atonic seizures discharges of irregular spike-waves or polyspike-waves at 2.5 to 3 Hz or more.[epilepsy.com] At age four, a video-EEG-recording showed frequent head nodding (atonic seizures) and myoclonic astatic seizures associated with diffuse spikes or polyspikes and waves.[ncbi.nlm.nih.gov]

    Missing: Progressive Action Tremor
  • Juvenile Myoclonic Epilepsy

    slow wave discharges.[en.wikipedia.org] The EEG typically shows a characteristic pattern with generalized 4–6 Hz polyspike and slow wave discharges .[medindia.net] 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]

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

    . • Ictal EEG consists of “Fast activity” (10 Hz or more) and slow waves, with an occasional spike-and-wave pattern. • The EEG interictal expression is of “spike-and-wave[medlink.com] […] or polyspike-and-wave discharges” (Commission of Classification and Terminology of the International League Against Epilepsy 1981).[medlink.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] The EEG has generalized spike or polyspike slow-wave complexes. JAE is a lifelong disorder, although seizures can be controlled in 70% to 80% of patients.[pennsw.com.au] Since altered awareness occurs with even brief bursts of spike-wave paroxysms on EEG, treatment should be titrated to suppressing all epileptiform activity.[reference.medscape.com]

    Missing: Progressive Action Tremor
  • West Syndrome

    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
  • Lennox-Gastaut Syndrome

    OBJECTIVE: To use EEG-fMRI to determine which structures are critically involved in the generation of paroxysmal fast activity (PFA) and slow spike and wave (SSW) (1.5-2.5[ncbi.nlm.nih.gov] […] that are more generalized and more frequent, consisting of polyspikes and slow waves REM sleep – Decreased spike waves Ictal EEG may demonstrate the following characteristics[emedicine.medscape.com] Characteristic interictal electrographic discharges include generalized paroxysmal fast activity and slow spike and wave, which we have previously shown recruit widespread[ncbi.nlm.nih.gov]

    Missing: Progressive Action Tremor
  • Early Infantile Epileptic Encephalopathy Type 3

    .  EEG with paroxysms of fast activity and slow (less than 2.5 Hz) generalised spike-wave discharges (GSWD). 17.[slideshare.net] […] and wave 13 (35.1) Polyspike wave and slow spike wave 6 (16.2) Focal epileptiform discharges 2 (5.4) * Others: Agenesis of corpus callosum, arachnoid cyst, hemiatrophy, delayed[indianpediatrics.net] paroxysms and generalized slow spike-and-wave discharges Affected LGS patients have different degrees of developmental delay and they often develop autism and intellectual[centogene.com]

    Missing: Progressive Action Tremor

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