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Spasms, Infantile

An epileptic syndrome characterized by the triad of infantile spasms, hypsarrhythmia, and arrest of psychomotor development at seizure onset. The majority present between 3-12 months of age, with spasms consisting of combinations of brief flexor or extensor movements of the head, trunk, and limbs. The condition is divided into two forms: cryptogenic (idiopathic) and symptomatic (secondary to a known disease process such as intrauterine infections; nervous system abnormalities; BRAIN DISEASES, METABOLIC, INBORN; prematurity; perinatal asphyxia; TUBEROUS SCLEROSIS; etc.). (From Menkes, Textbook of Child Neurology, 5th ed, pp744-8)

Year introduced: 1977(1963)

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Tree Number(s): C10.228.140.490.375.760, C10.228.140.490.493.875

MeSH Unique ID: D013036

Entry Terms:

  • Infantile Spasm
  • Infantile Spasms
  • Lightning Attacks
  • Attack, Lightning
  • Attacks, Lightning
  • Lightning Attack
  • West Syndrome
  • Syndrome, West
  • Hypsarrhythmia
  • Hypsarrhythmias
  • Jackknife Seizures
  • Jackknife Seizure
  • Seizure, Jackknife
  • Seizures, Jackknife
  • Symptomatic Infantile Spasms
  • Infantile Spasm, Symptomatic
  • Infantile Spasms, Symptomatic
  • Spasm, Symptomatic Infantile
  • Spasms, Symptomatic Infantile
  • Symptomatic Infantile Spasm
  • Symptomatic West Syndrome
  • Syndrome, Symptomatic West
  • West Syndrome, Symptomatic
  • Salaam Attacks
  • Attacks, Salaam
  • Salaam Seizures
  • Seizures, Salaam
  • Spasmus Nutans
  • Cryptogenic Infantile Spasms
  • Cryptogenic Infantile Spasm
  • Infantile Spasm, Cryptogenic
  • Infantile Spasms, Cryptogenic
  • Spasm, Cryptogenic Infantile
  • Spasms, Cryptogenic Infantile
  • Cryptogenic West Syndrome
  • Syndrome, Cryptogenic West
  • West Syndrome, Cryptogenic
  • Nodding Spasm
  • Nodding Spasms
  • Spasm, Nodding
  • Spasms, Nodding

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