Quiz Form

Question Date: 06/12/2023

Question: What is the most likely etiology for the EEG shown below?

Options:

• Right Mesial temporal sclerosis
• Right hemispheric epilepsy
• Right Parieto-occipital gliosis
• Right Temporal Infarct

Correct Answer: Right Mesial temporal sclerosis

View Image: Image_20231108052830654b1c7e1063a.png

Explaination: Mesial temporal epilepsy, the typical ictal onset pattern is a rhythmic Theta (5-7 Hz) discharge localised to the anterior mid temporal lobe, with up to 80-90% of patients showing such change<br>In lateral temporal seizures, ictal onset EEG changes are usually lateralised, and more likely to have a repetitive epileptiform appearance than mesial temporal seizures<br>Frontal lobe epilepsy ictal EEG onset patterns are most often generalised or widespread, comprising high frequency activity or slow rhythms or attenuation

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