Seizure HP:0002417 HP:0002437 MSH:D004827 HP:0002794 HP:0002431 HP:0002432 MSH:D012640 SNOMEDCT_US:246545002 HP:0006997 HP:0002430 A type of electrographic seizure has been proposed in neonates which does not have a clinical correlate, it is electrographic only. The term epilepsy is not used to describe recurrent febrile seizures. Epilepsy presumably reflects an abnormally reduced seizure threshold. HP:0002479 HP:0001303 HP:0002279 HP:0002434 HP:0002182 HP:0001250 SNOMEDCT_US:128613002 Epilepsy HP:0010520 UMLS:C0014544 SNOMEDCT_US:313307000 HP:0002306 SNOMEDCT_US:91175000 human_phenotype UMLS:C0036572 HP:0001275 HP:0002348 HP:0002125 HP:0002466 HP:0002391 SNOMEDCT_US:84757009 Epileptic seizure Seizures A seizure is an intermittent abnormality of nervous system physiology characterised by a transient occurrence of signs and/or symptoms due to abnormal excessive or synchronous neuronal activity in the brain. Abnormal nervous system physiology Abnormality of nervous system physiology