When providers order Electroencephalography (EEG) they may believe it's a fairly basic medical test, and that has become true as far as diagnostic studies are concerned. But when Jamie Smith is told by her doctor that she needs to have an EEG, she accepts the news and hopes it's covered by insurance. It's likely not until hours later, at home, away from her physician, that Ms. Smith will think of her questions. What is EEG? How long will it take? Be there 24/7 for your patients with the EEG Aivio.