Confusion other diagnostic studies

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] ; Associate Editor(s)-in-Chief: Aditya Govindavarjhulla, M.B.B.S. [2]

Certain studies, such as electroencephalography (EEG), are of noticeable importance. These tests are done to exclude other diseases and aid in the diagnosis of certain conditions.

• It is mainly used in confusion to rule out absent seizures. Absent seizures lack motor symptoms and they present with a staring gaze. EEG helps in differentiating those seizures from confusion.
• It can help in diagnosing associated co morbid conditions like certain metabolic encephalopathies.
• Metabolic encephalopathies show slow wave high amplitude waves.
• Hepatic encephalopathies and septic conditions present with a triphasic wave.
• Most psychiatric conditions have a normal EEG which helps in differentiating those symptoms from confusion proper.

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