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I'm seeing a specialist to find out if I have carpal tunnel syndrome or something else. It's been one test after another and I still don't know what's wrong. Is this typical?
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Diagnosing nerve entrapments such as carpal tunnel syndrome can be a challenge. There's really no single test that says, yes you have carpal tunnel syndrome or no you don't. Most physicians, surgeons, and other specialists rely on what you tell them (the medical history) and what they see during the exam.
Sometimes when the results are inconsistent or unclear, the physician will order electrodiagnostic tests. Electrodiagnostic tests include electromyograms(EMGs) and nerve conduction velocity (NCV).
An electromyogram (EMG) measures the electrical activity of muscles at rest and during contraction. Nerve conduction studies measure how well and how fast the nerves can send electrical signals to the muscles. Carpal tunnel syndrome can reduce nerve signals to the muscles resulting in muscle atrophy (wasting) and weakness.
Electrodiagnostic tests are often done to confirm a diagnosis, especially if surgery is a treatment consideration. The physician carefully weighs the pros and cons of each test ordered. Are the results of the test going to confirm or rule out the provisional diagnosis? Will the results of the test change (in any way) the treatment decision(s)?
If the answer to these questions is no, then there may be no need to add inconvenience, delay, discomfort, and cost in making a diagnosis.
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*Disclaimer:*The information contained herein is compiled from a variety of sources. It may not be complete or timely. It does not cover all diseases, physical conditions, ailments or treatments. The information should NOT be used in place of visit with your healthcare provider, nor should you disregard the advice of your health care provider because of any information you read in this topic. |
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