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ENMG – Electromyography
Electromyography (EMG) is a diagnostic procedure to assess the health of muscles and the nerve cells that control them (motor neurons). EMG results can reveal nerve dysfunction, muscle dysfunction or problems with nerve-to-muscle signal transmission. At Magnus diagnostic centre we have a experienced technician conducting these highly specialised tests promising you a accurate result.
What are the two components of ENMG?
The EMG study usually includes two parts: 1) Nerve Conduction Studies (NCS) and 2) Needle electrode examination (NEE)
What is the purpose of Electroneuromyography?
Electroneuromyography is used to detect, localise and define nerve and muscle disorders. Two different methods are used: Electroneurography (ENG) investigates nerve conduction in the peripheral nerves (hands and feet). The nerves are stimulated using surface electrodes.
How long does an EMG take?
The tests usually take 60 to 90 minutes. You can do any of your normal activities, like eating, driving, and exercising, before and after the test. There are no lasting side effects from the tests.
How painful is a nerve conduction study?
As the nerve is stimulated, you will experience a brief electrical shock. This may feel uncomfortable, but it usually isn’t painful. The entire procedure usually takes about 20-30 minutes to complete. In some cases, nerves may be tested in multiple locations, which can make the procedure take slightly longer
Is EMG better than MRI?
Doctors prefer ENMG to MRI in a few circumstances. Example: Chiodo et al. (2007) found that needle electromyography is useful in differentiating symptomatic from asymptomatic disc herniation. They noted that this modality has a lower false positive rate than MRI in asymptomatic older patients that being evaluated for lower limb radicular pain.