Question

A 25-year-old woman has first presentation of tonic-clonic seizure. CT head is normal; labs are normal. Which investigation is most useful next to support diagnosis and classification?

Accepted Answer

Electroencephalography (EEG)

Answer

Immediate MRI with contrast

Answer

Lumbar puncture

Answer

Carotid Doppler

Answer

CSF oligoclonal bands

Practice question

A 25-year-old woman has first presentation of tonic-clonic seizure. CT head is normal; labs are normal. Which investigation is most useful next to support diagnosis and classification?