Symptom Information: Sort according to HPO 

1
(HPO:0001263) Global developmental delay 853 / 7739
2
(HPO:0002069) Generalized tonic-clonic seizures 96 / 7739
3
(HPO:0002133) Status epilepticus 59 / 7739
4
(HPO:0002510) Spastic tetraplegia 54 / 7739
5
(OMIM) Febrile seizures may occur 4 / 7739
6
(OMIM) EEG shows abundant slow waves and fast spike activity 1 / 7739
7
(OMIM) EEG shows suppression with ictal burst activities 1 / 7739
8
(HPO:0000006) Autosomal dominant inheritance 2518 / 7739
9
(HPO:0003593) Infantile onset 249 / 7739
10
(HPO:0003828) Variable expressivity 130 / 7739
11
(HPO:0200134) Epileptic encephalopathy 42 / 7739