West syndrome true true true disease_ontology ORDO:3451 West syndrome is characterized by the onset of epileptic spasms, typically in the first year of life. Global developmental impairment (with or without regression) is typically seen. Infantile spasms syndrome An infancy electroclinical syndrome that is characterized by infantile spasms, hypsarrhythmia on electroencephalogram and intellectual disability. GARD:7887 NCI:C84788 DOID:0050562 MESH:D013036 neonatal/infantile epilepsy syndrome