The following tests are available through the laboratory:
Ambulatory electroencephalography (AEEG) monitoring is a technology that allows prolonged electroencephalographic (EEG) recording in the home setting. Its ability to record continuously for up to 48 hours increases the chance of recording an ictal event or interictal epileptiform discharges. The patient will wear home a small machine in a fanny pack and return 24 to 48 hours. This painless test is used to help diagnose a seizure disorder, to look for causes of confusion or evaluate many other conditions that affect the brain.
Transcranial Dopplers are a noninvasive diagnostic ultrasound evaluation of the intracranial arteries in the head that measures the blood flow through the brain. Neurologists use it to determine if there is an occlusion or stenosis of an artery that can result in cerebrovascular diseases such as stroke and brain hemorrhages. This is a painless, non-invasive test.
Electroencephalograms record the electrical activity on the surface of the brain. This painless test is used to help diagnose a seizure disorder, to look for causes of confusion or evaluate many other conditions that affect the brain.
NCS/EMG studies are usually ordered for problems with the nerve or muscles. Measuring the electrical activity in muscles and nerves can help detect diseases that can damage muscle tissue or nerves. The tests are done separately, the NCS is done first followed by the EMG. The NCS measures how fast an impulse travels through a nerve. The EMG measures the health of the muscles and the nerves that control the muscles.
Evoked Potential Tests (EP) is a diagnostic tool used to look for disease or damage to the central nervous system. The test will detect if there is a "block" in the nervous system that effects how the brain responds to an electrical impulse from the nerves. There are three types of EP tests: Brainstem Auditory Evoked Response (BAER),Visual Evoked Response (VER) and Somatosensory Evoked Response (SSER). The tests can be ordered individually or as a group, depending on the diagnosis. In all cases, the tests are non-invasive (meaning the skin is not punctured). All electrodes sit on the surface of the skin.
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