<prompt> Hypsarrythmia in a child is due to-Grandmal epilepsyPetitmal epilepsyMyoclonic epilepsyReflex epilepsy  <response>: Ans. is c i.e., Myoclonic epilepsy Myoclonic epilepsy may be ? i Infantile spasm or Infantile myoclonus or west syndrome ii Juvenile myoclonic epilepsy Infantile spasm Infantile myoclonus or west syndrome o The onset is usually between 3-8 months of life o It is characterized by triad of ? i Salaam spells sudden droping of the head flexion of arms ii Mental retardation iii Hypsarrhythmic pattern of EEG diffuse high voltage slow spike and chaotic activity o The spasm occur in clusters usually on waking. o Prognosis for normal mental development is poor. Treatment of infantile myoclonus o ACTH and coicosteroids are given for 2-12 weeks, depending upon resonse. o Vagabatrin is the DOC Now. 