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Video-EEG Telemetry – Purpose — SCE Neurology MCQ

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EasyClinical NeurophysiologyVideo-EEG Telemetry – PurposeSCE Neurology

A 30-year-old man is referred with drug-resistant focal epilepsy. His neurologist plans continuous video-EEG telemetry. What is the primary purpose of inpatient video-EEG monitoring in the evaluation of drug-resistant epilepsy?

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Correct answer: A — To capture habitual seizures and localise the seizure onset zone for pre-surgical evaluation

Explanation lettering: B = shown as A · A = shown as B · E = shown as C · C = shown as D · D = shown as E

The primary purpose of inpatient video-EEG telemetry in drug-resistant epilepsy is to record habitual seizures with simultaneous video and EEG to localise the seizure onset zone as part of pre-surgical evaluation. While it can also distinguish epileptic from non-epileptic events (E), this is a secondary benefit; the primary indication in drug-resistant epilepsy is surgical candidacy assessment. A: Drug levels are measured by blood tests. C: Diagnosis should already be established. D: Medication response is assessed clinically. E: This is an important but secondary role.

Reference: NICE NG217 (2025); ILAE Commission on Diagnostic Methods