An electroencephalogram (EEG) is a noninvasive test that records electrical patterns in your brain. The test is used to help diagnose conditions such as seizures, epilepsy, head injuries, dizziness, headaches, brain tumors and sleeping problems.
Electromyography (EMG) measures muscle response or electrical activity in response to a nerve's stimulation of the muscle. The test is used to help detect neuromuscular abnormalities. During the test, one or more small needles are inserted through the skin into the muscle.
Electronic medical records (EMRs) are a digital version of the paper charts in the clinician's office. An EMR contains the medical and treatment history of the patients in one practice. is a procedure to remove early-stage cancer.
BSAER (brainstem auditory evoked response), detects electrical activity in the cochlea and auditory pathways in the brain. The response is collected with a special computer through extremely small electrodes placed under the skin of the scalp.