阵挛性发作 meaning in English

clonic seizures

Clinical observation on xifeng capsules for treatment of 200 children of tonoclonic attack due to epilepsy
阵挛性发作200例临床观察
Case report 14 cases of seizure caused by the tetramine intoxication were treated , in which 8 cases of tonic - clonic seizure , 3 cases of epileptic state and 3 cases of no seizure
病例报告14例毒鼠强中毒所致癫痫发作患者中8例出现强直阵挛性发作， 3例呈癫痫持续状态， 3例无明显癫痫发作；经治疗11例治愈出院， 2例死亡。