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4. 4. How is dystonia diagnosed?

This condition can often be diagnosed based on physical symptoms. The physical examination is augmented by a thorough history, and further investigation helps determine if there is a cause for their dystonia.   Your provider may then order the following tests:

  • Blood and urine tests. To determine if toxins or an infection cause dystonia.
  • MRI or CT scan. Imaging tests of the brain will show abnormalities of the brain such as a tumor, structural lesions, or signs of a stroke.
  • Electromyography (EMG). This test will measure electrical activity in the muscles.
  • Genetic tests. To check for mutated genes and rule out other disorders, like Huntington’s disease.

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