| umls-concept:C0494475 | skos:definition | NCI: A generalized tonic-clinic seizure, characterized by loss of consciousness. This type of seizure may be preceded by an aura and is frequently followed by a period of confusion and lethargy (post-ictal state).,NCI: A symptomatic form of epilepsy often preceded by an aura; characterized by loss of consciousness with generalized tonic- clonic seizures. | lld:umls |
