1st April 2022

A 23-year-old man has been referred to neurology, for investigation of recurrent seizures

A 23-year-old man has been referred to neurology, for investigation of recurrent seizures. Despite treatment with several anti-epileptic drugs, he continues to have seizures several times a day, which he describes as episodes lasting for around 10 minutes where he loses awareness and is observed to be ‘trembling’ all over. Afterwards, he feels nauseous and confused. An MRI scan has been done, which shows no significant abnormality, and an electroencephalogram (EEG) is subsequently arranged.

Which of the following statements about EEGs is most correct?

Select the SINGLE most appropriate option from the list below. Select ONE option only.