We routinely obtain cEEG monitoring on all moderate (GCS 9-12) and severe (GCS 3-8) TBIs at our institution, regardless of their intracranial pathology. It is estimated that in this patient population, the frequency of sub-clinical seizures is around 20-25% and can be associated with elevated ICP, w...

EEGs are obtained on a clinical basis. As one of the other contributors pointed out, any patient with altered mentation, focal deficits or suspicion of abnormal movements, or transient alterations of mentation will at the very least warrant a routine EEG which can be repeated with a prolonged study ...

Not really. Unless you have suspicions based on the exam or clinical course.