![]() Computerized tomography (CT) myelography. ![]() ![]() New methods of high-resolution MRI, known as magnetic resonance neurography, may be used. It often can show the extent of the damage caused by a brachial plexus injury and can help assess the status of arteries that are important for the limb or for its reconstruction. This test uses a powerful magnetic field and radio waves to produce detailed views of the body in multiple planes. ![]() This provides information about how well the nerve is functioning. These tests are usually performed as part of the EMG, and they measure the speed of conduction in the nerve when a small current passes through the nerve. You may feel a little pain when the electrodes are inserted, but most people can complete the test without much discomfort. The test evaluates the electrical activity of the muscles when they contract and when they're at rest. During an EMG, your provider inserts a needle electrode through the skin into various muscles. An X-ray of the shoulder and neck can tell the provider if you have fractures or other associated injuries. To help diagnose the extent and severity of a brachial plexus injury, you may have one or more of the following tests: To diagnose your condition, your provider will review your symptoms and conduct a physical examination.
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