obsolete_Early infantile epileptic encephalopathy true OMIM:617938 OMIM:616409 OMIM:301044 OMIM:300672 OMIM:617493 Replaced with Mondo term. OMIM:618141 OMIM:618067 OMIM:617132 OMIM:612164 OMIM:618663 OMIM:617771 OMIM:616366 OMIM:615871 OMIM:615473 OMIM:618468 OMIM:616645 OMIM:618548 OMIM:617976 OMIM:617339 OMIM:617933 OMIM:616647 OMIM:615833 OMIM:615905 OMIM:617929 OMIM:618580 OMIM:617162 MedDRA:10071545 OMIM:618012 OMIM:618298 MedDRA:10071546 OMIM:618374 OMIM:617166 OMIM:618379 OMIM:609304 UMLS:C0393706 orphanet OMIM:613721 OMIM:613402 OMIM:613720 OMIM:308350 OMIM:615859 Early infantile epileptic encephalopathy (EIEE), or Ohtahara syndrome, is one of the most severe forms of age-related epileptic encephalopathies, characterized by the onset of tonic spasms within the first 3 months of life that can be generalized or lateralized, independent of the sleep cycle and that can occur hundreds of times per day, leading to psychomotor impairment and death. Ohtahara syndrome OMIM:617281 OMIM:618285 OMIM:617350 OMIM:617153 OMIM:618201 OMIM:616981 OMIM:617276 OMIM:616341 OMIM:617113 OMIM:618004 ICD10:G40.3 OMIM:613477 OMIM:617830 OMIM:617599 OMIM:618721 OMIM:618328 OMIM:616346 OMIM:618008 OMIM:617904 OMIM:617829 3.41.0 Early infantile epileptic encephalopathy with suppression-bursts http://purl.obolibrary.org/obo/MONDO_0100062 OMIM:617391 OMIM:617020 OMIM:618396 OMIM:616211 OMIM:617389 OMIM:616056 OMIM:617105 OMIM:618557 OMIM:617665 OMIM:618559 EIEE OMIM:618437 OMIM:617106 OMIM:614558 OMIM:616339