Wear comfortable clothing and a button down shirt is recommended.There is no food or beverage restriction for the ambulatory EEG.(If you have a weave, you should have it temporarily removed). Come to your appointment with clean, dry hair with no oils or heavy product on your hair.There is a benefit in having you perform most of your usual daily living activities as sometimes your normal environment may trigger your symptoms.įor the ambulatory EEG test, your head will be wrapped after the electrodes application with several layers of gauze and a stocking type cap. The ambulatory EEG is more often requested in order to capture some type of event, spell, seizure or suspected seizure to identify the cause of your symptoms or to rule out potential causes. This type of testing is most often used in the diagnosis of seizures or epilepsy, headache, memory disturbances, stroke, spells, syncope (fainting) and other neurological symptoms. You will be asked to keep a diary of activities for the duration of the recording period.ĮEG testing is ordered for a number of neurological disorders.
#Eeg electrode placement portable
They will most likely request that you record with a portable video device as well. The extended recording greatly enhances our ability to help diagnose symptoms. The ambulatory EEG test is very similar to the routine study, however, your physician will request that we record your brain activity on a portable device for a period of 24, 48, or 72 hours or longer. Our EEG’s are recorded using the American Clinical Neurophysiologic Society (ACNS) guidelines and neurology clinic uses the International 10-20 System of electrode placement. The EEG test is different than an MRI or CT scan as those tests show physical structures of the brain or spine and the EEG records the physiologic portion or electrical connections of the brain. The EEG test specifically measures the voltage difference resulting from ionic current within the neurons in the brain. This activity shows up as wavy lines on an EEG recording.
Your brain cells communicate via electrical impulses and are active all the time, even when you’re asleep.
An electroencephalogram (EEG) is a non-invasive diagnostic test that records the electrical activity in your brain using small, flat metal discs (electrodes) attached to your scalp.