Unraveling Thoracic Outlet Syndrome With Emg (part 1)

In this answer to a question posed by a TOS patient, our guest speaker, Scott Werden, MD discusses why EMG is not an effective tool for diagnosing NTOS. Part 1 of 2.

In this first part of our two-part series, we dive into the role of Electromyography (EMG) in diagnosing Thoracic Outlet Syndrome (TOS). TOS is a condition that involves the compression of the nerves or blood vessels in the thoracic outlet, causing a range of symptoms like pain, numbness, tingling, and muscle weakness in the arm and hand. EMG is often used as a diagnostic tool to assess nerve function and detect nerve damage, which is critical for diagnosing neurogenic TOS.

We begin by explaining how EMG works: it measures the electrical activity in muscles when a nerve stimulates them. This test can help identify areas where nerve signals are impaired, which is a key indicator of nerve compression. EMG can reveal whether the muscles are receiving appropriate signals from the nerves, and if there's a slowdown or blockage in those signals, it can help pinpoint areas of nerve damage. However, as we’ll discuss in this video, TOS can sometimes cause mild or intermittent nerve compression, which might not always be picked up by an EMG.

In Part 1, we focus on how EMG is used to detect nerve involvement in TOS and why it’s a critical part of a comprehensive diagnostic approach. We also highlight the strengths and limitations of the test, giving you a better understanding of when EMG can be useful and when it may not provide a complete picture of the condition.

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Please watch: "(1610) NeoVista® MRI for Thoracic Outlet Syndrome: What makes it different? "
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[studiophoenixmassaggi]

The part when you said that you don't want to stick a needle in the nerve around the spine made me think that we need an other way to stimulate it without a needle... Modern medicine needs to advance more in this field...