Can also be used before major operations like heart or liver transplantation for patient health assessment.ĮEG is often used in brain research and can be a valuable tool for the researchers when combined with modern diagnostic imaging tools like MRI and CT scanners.Ĭleaning the scalp in preparation for placing the electrodes may give sensations like shaving or hair removal.Diagnosing and monitoring epileptic seizures and brain tumors.When a patient is unconscious or in a coma, EEG can be used to monitor brain activity and rule out brain death.Evaluation of brain activity after head trauma.It is also used for patient evaluation during: Spontaneous loss of consciousness (Syncope), dizziness, confusion.This makes it difficult for the machine to differentiate between various regions of the brain when the electrodes detect a brain activity.Ī doctor may recommend an EEG test if the patient is experiencing any of the following symptoms: On the contrary, EEG machines are very poor at spatial resolution. Right: Abnormal EEG.Ī trained physician looking at an EEG report (electroencephalogram) can interpret the abnormal waves and can diagnose a patient and prescribe the necessary therapeutic action.ĮCG machines can detect millisecond changes in the brain activity and this gives it a bigger advantage over MRI and CT scanners. Any deviation from this known pattern can give indication about abnormalities related to brain function. The brain wave generated by normal electrical activity in the brain can be recognized due to its signature patterns.
Jump to: 9 Types of EEG tests for Brain Wave Monitoring
An EEG machine is designed to measures brain activity. Medical devices like MRI, CAT scanners and x-rays can be used to produce images of brain and helps in analyzing brain anatomy. It is a non-invasive medical diagnostic tool and the report produced by this medical device is called an electroencephalogram (EEG). It is a medical device used to monitor and record the electrical activity of the brain within a certain timeframe.
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