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Tests for Thoracic Outlet Syndrome

Proper diagnosis is the most important step in treating thoracic outlet syndrome. Your doctor will perform a complete physical exam and review the results of previous diagnostic tests.


Your doctor may recommend a thorough evaluation by a skilled specialist to rule out cervical spine disease and other neurological conditions with similar symptoms.

Additional tests that help diagnose thoracic outlet syndrome include:

  • vascular ultrasound studies of the arteries or veins

  • chest X-ray to rule out cervical rib abnormalities

  • computed tomography (CT) scan or magnetic resonance imaging (MRI) of the chest or spine

  • magnetic resonance imaging with angiography (MRA) to view blood vessels

  • ateriogram/venogram, an X-ray that uses dye to look at blood flow

To learn more about Thoracic Outlet Syndrome tests click HERE

* Information is intended for educational purposes only, and should not be substituted for consultation with a healthcare provider. Please make an appointment to see your physician if you suspect that you have TOS.