syndromic disease childhood-onset epilepsy syndrome with developmental and/or epileptic encephalopathy developmental and/or epileptic encephalopathy with spike-wave activation in sleep https://github.com/monarch-initiative/mondo/issues/7606 https://github.com/monarch-initiative/mondo/issues/8490 https://github.com/monarch-initiative/mondo/issues/9063 https://github.com/monarch-initiative/mondo/issues/9411 https://github.com/monarch-initiative/mondo/issues/9441 https://rarediseases.info.nih.gov/diseases/1513/continuous-spike-wave-during-slow-sleep-syndrome https://www.epilepsydiagnosis.org/syndrome/ee-csws-overview.html https://www.malacards.org/card/epilepsy_aphasia_spectrum continuous spikes and waves during sleep epileptic encephalopathy with continuous spike-and-wave during slow sleep developmental and epileptic encephalopathy with spike-wave activation in sleep continuous spikes and waves during slow-wave sleep epileptic encephalopathy with spike and wave activation in sleep continuous spike-wave during slow sleep syndrome MONDO:0800501 electrical status epilepticus of sleep EE-SWAS Orphanet:725 epileptic encephalopathy with spike-and-wave activation in sleep CSWS UMLS:C5552731 LKS electrographic status epilepticus in sleep MEDGEN:1790601 eses index epileptic aphasia GARD:0027304 EESWAS ESES with language regression DEE-SWAS continuous spike-wave in sleep CSWSS syndrome electrographic status epilepticus of sleep A rare epileptic encephalopathy of childhood characterized by seizures, an electroencephalographic (EEG) pattern of electrical status epilepticus in sleep (ESES) and neurocognitive regression in at least 2 domains of development. This syndrome encompasses the previous syndromes epileptic encephalopathy with continuous spike-wave in sleep and atypical childhood epilepsy with centrotemporal spikes (also previously known as pseudo-Lennox syndrome and atypical benign partial epilepsy). LK syndrome continuous slow spike and wave of sleep