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)

Descriptor ID	D013036
MeSH Number(s)	C10.228.140.490.375.760
Concept/Terms	Spasms, Infantile Spasms, Infantile Infantile Spasm Lightning Attacks Attack, Lightning Attacks, Lightning Lightning Attack West Syndrome Syndrome, West Infantile Spasms Hypsarrhythmia Hypsarrhythmia Hypsarrhythmias Jackknife Seizures Jackknife Seizures Jackknife Seizure Seizure, Jackknife Seizures, Jackknife Symptomatic Infantile Spasms 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 Salaam Attacks Attacks, Salaam Salaam Seizures Seizures, Salaam Spasmus Nutans Spasmus Nutans Cryptogenic Infantile Spasms 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 Spasm Nodding Spasms Spasm, Nodding Spasms, Nodding

Below are MeSH descriptors whose meaning is more general than "Spasms, Infantile".

Below are MeSH descriptors whose meaning is related to "Spasms, Infantile".

Below are MeSH descriptors whose meaning is more specific than "Spasms, Infantile".