Sciatic Nerve Dysfunction
How is the condition diagnosed?
Diagnosis of sciatic nerve dysfunction begins with a medical history and physical exam. Depending on the suspected cause of the problem, the provider may order diagnostic tests, such as:
CT or MRI scans
blood and urine tests
a nerve conduction velocity test, or NCV, which measures transmission along the nerve
an electromyogram, or EMG, which measures muscle response to nerve stimulation
a bone scan
a myelogram, which uses a contrast agent and X-rays to detect abnormalities along the spine
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