What is Which of the following is True regarding absence seizures? and explain in detail?
b. Hyperventilation often precipitates an attack(Ref: Nelson's 20/e p 2831-2856, Ghai 8/e p 557-561)Typical absence seizuresUsually start at 5-8 yr of age; They do not have an aura, usually last for only a few seconds and are accompanied by eyelid flutter or upward rolling of eyes and simple automatisms like lip-smacking or picking at clothingAbsence seizures do not have a postictal periodQ and there is immediate resumption of what patient was doingHyperventilation for 3-5min can precipitate seizures & 3Hz spike-and-slow-wave dischargesEarly onset absence seizures (before the age of 4 yr) should trigger evaluation for glucose transporter defect.