Electro Encephalo Gram (EEG)
What is EEG?
Electroencephalography (EEG) is electrophysiological monitoring method to record electrical activity of the brain. EEG refers to the recording of the brain's spontaneous electrical activity over a period of time, as recorded from multiple electrodes placed on the scalp. Electrodes are small metal disc attached to scalp with wires. Wires are attached with recording instruments. Electrical activity of brain recorded as wavy lines over periods of 30-40 minutes which help Neurologist for analysis.
How EEG is useful?
EEG is mainly used for diagnosis of various seizure disorders. It is also used to diagnose sleep disorders, coma, encephalopathies , encephalitis and brain death. It is also used to differentiate Seizure from Pseudo-Seizure. EEG is also useful in ICU to rule out life threatening condition like status epilepticus.
Is there any risk associated with EEG?
It is painless and safe procedure and not associated with any future risk.
How to prepare for the EEG?