Atonic seizures.
D002648:Child; D002675:Child, Preschool; D004569:Electroencephalography; D004832:Epilepsy, Absence / Q000175:diagnosis; D006801:Humans; D009123:Muscle Hypotonia / Q000175:diagnosis* / Q000628:therapy; D012640:Seizures / Q000175:diagnosis* / Q000628:therapy; D013575:Syncope / Q000175:diagnosis