EEG - The Basics by Dr Sudath Gunasekera

Webinar 8 - 10 Pearls Series

Webinar series conducted by the Association of Sri Lankan Neurologists targeted at the Medical Officers, Medical Registrars, General Physicians, Family Physicians and Medical Students. A journey of 32 neurology topics, each with 10 pearls.

The eighth lecture in the series, EEG - The Basics is delivered by Dr Sudath Gunasekara. who is a past president of ASN. He is a Consultant Neurophysiologist currently attached to the National Hospital of Sri Lanka.

10 Pearls of this lecture
1. EEG is a continuous record of voltage fluctuations of brain
2. EEG is generated by cerebral cortex and influenced by deeper structures
3. Should be done in appropriate clinical situations
4. Normal EEG appearances are variable
5. Indications are mainly epilepsy related and encephalitis, encephalopathy related
6. In epilepsy, EEG is done mainly to aid diagnosis and detect complications
7. EEG usually dose not give added information in already diagnosed epileptic patients.
8. Interictal epileptiform abnormalities are sharp contoured.
9. EEG is helpful in the diagnosis of encephalitis and encephalopathy but poor in detecting aetiology
10. EEG has several special applications and advances