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183 Possible Causes for 3-4 Hz Spikes, Focal Dystonia - Upper Limb

  • Benign Adult Familial Myoclonic Epilepsy

    The most common signs and symptoms in descending order are: asymmetric limb rigidity (100%), upper limb apraxia (91%), gait difficulties (89%), stimulation-sensitive focal[neuroweb.us] Childhood absence epilepsy with tonic-clonic seizures and electroencephalogram 3-4-Hz spike and multispike-slow wave complexes: linkage to chromosome 8q24.[reference.medscape.com] Her EEG showed 34 Hz spike and wave discharges. She had a daughter with childhood absence epilepsy, and two sisters and a cousin with seizures (fig 2 , family 1).[jnnp.bmj.com]

  • Epilepsy

    […] to 8 years of age, in an otherwise apparently healthy child. 3 The classic electroencephalogram (EEG) shows generalized spike-wave bursts (of 3 Hz) with normal background[doi.org] Hz Spike and Wave Discharges, Epilepsia, 31, 5, (557-566), (2007).[doi.org] […] childhood-onset epilepsy, making it the most common form of pediatric epilepsy. 1,2 The syndrome is characterized by daily frequent but brief staring spells, typically beginning at 4[doi.org]

    Missing: Focal Dystonia - Upper Limb
  • Absence Seizure

    In electroencephalography (EEG), generalized 3-4 Hz spike and slow wave complexes indicate an absence seizure.[symptoma.com] Childhood absence epilepsy with tonic-clonic seizures and electroencephalogram 3-4-Hz spike and multispike-slow wave complexes: linkage to chromosome 8q24.[emedicine.com] 4 Hz spike-and-slow-wave complexes on EEG. [6] In childhood absence epilepsy, seizures are frequent and brief, lasting just a few seconds (pyknoleptic).[emedicine.com]

    Missing: Focal Dystonia - Upper Limb
  • Generalized Clonic or Tonic-Clonic Seizures

    The EEG shows generalised spike and wave discharges of 3 to 4 Hz and some with photic sensitivity. This is potentially a lifelong epilepsy.[pennsw.com.au]

    Missing: Focal Dystonia - Upper Limb
  • Juvenile Myoclonic Epilepsy

    Interictal electroencephalography (EEG) in JME shows interictal epileptiform discharges such as generalized spikes, polyspikes, bilateral-synchronous 4-6/s spike-wave complexes[go.galegroup.com] Myoclonic jerks appear to be time-locked to generalized 3-5 Hz spike-and wave complexes [8]. Photoparoxysmal response was seen in 40% of patients.[go.galegroup.com]

    Missing: Focal Dystonia - Upper Limb
  • Idiopathic Generalized Epilepsy

    4 Hz spikes and waves in all regions of the brain 1 st -line : valproic acid Avoid triggers : sleep deprivation, alcohol, drugs, flickering lights 60% are seizure -free under[amboss.com] Her EEG showed 34 Hz spike and wave discharges. She had a daughter with childhood absence epilepsy, and two sisters and a cousin with seizures (fig 2 , family 1).[jnnp.bmj.com] The EEG usually shows asymptomatic 3 to 4 Hz generalized spike/polyspike discharges, but often video-EEG after partial sleep deprivation with recording in sleep and awakening[medlink.com]

    Missing: Focal Dystonia - Upper Limb
  • Myoclonic-Astatic Epilepsy

    […] presence of generalized spike- or polyspike-wave EEG discharges at 2-3 Hz, without focal spike discharges; and (4) exclusion of severe and benign myoclonic epilepsy (SME,[ncbi.nlm.nih.gov] EEG shows regular and irregular bilaterally synchronous 2- to 3-Hz spike-waves and polyspike patterns with a 4- to 7-Hz background. 84% of affected children show normal development[ipfs.io] […] before onset of epilepsy and absence of organic cerebral abnormalities; (2) onset of myoclonic, myoclonic-astatic or astatic seizures between 7 months and 6 years of age; (3)[ncbi.nlm.nih.gov]

    Missing: Focal Dystonia - Upper Limb
  • Childhood Absence Epilepsy

    Childhood absence epilepsy with tonic–clonic seizures and electroencephalogram 34Hz spike and multispike–slow wave complexes: linkage to chromosome 8q24.[doi.org] […] consist of behavioral arrest with or without automatisms, usually last 30-60 seconds, and demonstrate a characteristic 3-Hz generalized spike-wave (GSW) pattern on EEG, often[ncbi.nlm.nih.gov] ., 1977) or bicuculline (Steriade and Contreras, 1998) led to 3-4 Hz oscillations with no sign of spike-and-wave discharge.[scholarpedia.org]

    Missing: Focal Dystonia - Upper Limb
  • Juvenile Absence Epilepsy

    Diagnostic methods Diagnosis relies on the clinical features and on electroencephalogram (EEG) recorded awake and during sleep, that displays a generalized 3-4 Hz spike-and-slow-wave[orpha.net] Generalized 3-4 Hz spike or polyspike slow-wave complexes. Neuro Imaging: Not usually required. Mainly from other IGEs such as CAE or Juvenile Myoclonic Epilepsy (JME).[pennsw.com.au] Childhood absence epilepsy with tonicclonic seizures and electroencephalogram 3-4-Hz spike and multispikeslow wave complexes: linkage to chromosome 8q24.[books.google.es]

    Missing: Focal Dystonia - Upper Limb
  • West Syndrome

    IARS2 encodes isoleucine-tRNA synthetase, which is aclass-1 amino acyl-tRNA synthetase. IARS2 mutations are reported to cause Leigh syndrome or cataracts, growth hormone deficiency, sensory neuropathy, sensorineural hearing loss, and skeletal dysphasia syndrome (CAGSSS). To our knowledge, IARS2 mutations and[…][ncbi.nlm.nih.gov]

    Missing: Focal Dystonia - Upper Limb

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