You may not need an EMG-unless you have pain, tingling, weakness, or numbness in your arm or leg. Back or neck pain after a car accident.There are situations when you might not need the tests: An EMG or NCS may cost from $150 to $500.Discomfort where the needles are inserted.Dermatomal SEP: This test uses electrodes and small electric shocks to look for pinched nerves.Īll three tests are safe, but they do have some downsides and risks.The test measures how your nerves respond. These send small electrical shocks to your nerves. During an NCS, electrodes are placed on the skin of your arm or leg. NCS (nerve conduction study): This is a test to see if your nerves are working correctly.A small, thin needle is inserted into muscles in your arm or leg. EMG (electromyography): This test is used to find the cause of muscle weakness.Show your doctor how serious the problem is.But if they are severe or continue for a while, you may need an electrodiagnostic test. In most cases, these symptoms go away on their own. This is usually the result of a pinched or irritated nerve. Neck or back pain can cause numbness, tingling, pain, or weakness in your arm or leg. But in some cases, the tests aren’t needed. These tests can help your doctor find nerve or muscle damage. If you have neck or back pain, your doctor may order electrodiagnostic tests to check your nerves and muscles.
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