Electroencephalogram

What does it consist of?

Conventional electroencephalogram: It allows to record the electrical activity of the brain in the waking state. Electrodes are placed on the patient’s head, which are incorporated into a mesh, to which conductive gel is applied. It is a painless test with no side effects and no age limit. The collaboration of the patient is required through different maneuvers: opening and closing the eyes, rapid breathing, stimulation with light. The duration of the test is approximately 30 minutes.

Electroencephalogram with sleep deprivation: An electroencephalogram is performed first thing in the morning, having performed sleep deprivation the night before (without having slept). The duration of the test is 60-90 minutes during which the patient remains awake at the beginning of the test following the instructions of the staff.

CASES IN WHICH IT IS RECOMMENDED

Who is it for?

Electroencephalography can be used to check for brain damage in patients who have suffered severe head injuries and can help in the diagnosis of various conditions, such as brain tumors, sleep disorders, epilepsy, and various degenerative diseases of the nervous system. It is also useful for assessing whether brain death has occurred or also for the evaluation of Attention Deficit Disorder (ADHD).

INSTRUCTIONS

How should you prepare?

Avoid caffeine during the day: it can affect the results.
Take your usual medications, unless instructed otherwise.
Wash your head beforehand and do not use products, such as conditioners, gel and hairspray, as they can make it difficult for the electrodes to adhere to the scalp.
If your doctor tells you to, you may need to sleep less or avoid sleeping the night before so you can sleep during the EEG.

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