The cost of an EEG test in India ranges from Rs. 1000 to Rs. 3500. An EEG evaluates the brain's electrical activity using small sensors (electrodes) placed on the scalp.
These sensors record brain waves, displayed as wavy lines with peaks and valleys. By analyzing these recordings, doctors can detect abnormalities in brain wave patterns to diagnose conditions like epilepsy, brain tumors, stroke, head injuries, and sleep disorders.
EEG is also used to confirm brain death in cases of persistent coma.
EEG Procedure
Since EEG is non-invasive and painless, there will be little or no discomfort during the procedure. It is done by a neurologist and will typically take 1 hour to finish the test procedure.
The procedure of the EEG test is mentioned below:
Initially, the patient will be asked to lie on the exam table. Then, the doctor measures the head and mark where the electrodes need to be placed
On the marked indications, electrodes are placed with the help of a glue-like gel and connected to the machine with wires, which records the signals
The signals which represent the electrical activity of the brain, picked up by the electrodes are displayed on the computer screen as wavy lines.
During the test, the doctor may ask the patient to breathe quickly and slowly or to stare at a flashing light to observe the changes in the brain wave patterns
Once the test is completed, the doctor will take off the electrodes and wash off the gel that used to hold them in place
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