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Ictal pattern of a hypermotor-tonic-spasm sequence in an infant with CDKL5 deficiency disorder

EEG recorded in an 11-week-old infant with CDKL5 deficiency disorder shows the ictal pattern of a hypermotor-tonic-spasm sequence seizure characterized by diffuse low-amplitude fast activity followed by a cluster of diffuse high-voltage sharp waves corresponding to spasms. Gain, 7 µV/mm; high-frequency filter, 70 Hz; paper speed, 15 mm/sec. (Contributed by Dr. Evelina Carapancea.)