8A62.0 Infantile spasms

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2024-01

Syndrome characterised by the subacute onset of brief, repeated seizures with axial or limb flexion, occurring in clusters. EEG shows hypsarrhythmia, i.e., chaotic, high voltage slowing multifocal spikes, with ictal abrupt decremental pattern. Various structural brain pathologies may be present, or no cause may be found. Two-thirds of children have subsequent cognitive deficits.

synonyms

• Infantile spasms
• West syndrome
• IS -[infantile spasm]
• salaam spasm
• salaam tic

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