In the context of EEG, what does PLED stand for?

PLED stands for Periodic Lateralized Epileptiform Discharges. This term describes specific patterns observed on an EEG that indicate an ongoing epileptic process, typically localized to one hemisphere of the brain. PLEDs are characterized by their regular occurrence, usually seen in patterns that can appear as sharp waves or spikes, and they are frequently associated with underlying pathology, such as focal lesions or structural brain abnormalities.

Recognizing PLEDs is crucial in clinical practice because they can provide insights into the localization of seizures and help guide further diagnostic and therapeutic interventions. Interpreting these findings accurately can significantly impact patient management and prognosis, particularly in cases of symptomatic epilepsy or acute brain changes. Understanding the characteristics of PLEDs, their clinical implications, and their association with different types of pathology is essential for anyone involved in the interpretation of EEGs.