Test results will help determine the most probable cause and type of treatment to recommend. The MRI study demonstrates the anatomy of the cervical, thoracic or lumbar spine to determine what may be causing the pinched nerve and to evaluate for other causes of pain. Other testing could include CT scan, MRI or x-ray studies of the appropriate spinal level. It can provide useful information in evaluating the need for cervical or lumbar surgeries.
The EMG/NCS helps to determine which level of the spine is involved as well as the severity of involvement. This study helps to distinguish between a nerve issue in the limb or a pinched nerve coming from the spine. The second part examines muscles in either the limb or along the spine by placing a small needle electrode into the muscle to evaluate electrical activity in the muscles. The first part is an evaluation of peripheral nerves by sending electrical impulses through those nerves. To evaluate for the possibility of a pinched nerve, an electromyography/nerve conduction study (EMG/NCS) may be performed. Numerous symptoms may indicate that cervical, thoracic or lumbar pain is secondary to a pinched nerve. Many different types of medical conditions can cause cervical, thoracic or lumbar pain. You may be referred to a neurologist for evaluation of neck (cervical) or back (thoracic) or low back (lumbar) pain.
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