While the physical examination alone can often confirm a diagnosis of cervical dystonia, it's important to determine if there are underlying conditions causing your signs and symptoms. Tests may include:
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- Blood or urine tests. These may reveal the presence of toxins.
- Magnetic resonance imaging (MRI). This type of imaging test may be used to identify and visualize tumors or evidence of stroke.
- Electromyography (EMG). This test measures the electrical activity of muscles. EMG helps evaluate and diagnose muscle and nerve disorders and can help confirm whether you have cervical dystonia or another condition.
- Dystonias fact sheet. National Institute of Neurological Disorders and Stroke. http://www.ninds.nih.gov/disorders/dystonias/detail_dystonias.htm. Accessed Aug. 9, 2013.
- Frontera WR, et al. Essentials of Physical Medicine and Rehabilitation: Musculoskeletal Disorders, Pain, and Rehabilitation. 2nd ed. Philadelphia, Pa.: Saunders Elsevier; 2008. http://www.clinicalkey.com. Accessed Aug. 9, 2013.
- Comella C. Classification and evaluation of dystonia. http://www.uptodate.com/home. Accessed Aug. 9, 2013.
- Ferri FF. Ferri's Clinical Advisor 2013: 5 Books in 1. Philadelphia, Pa.: Mosby Elsevier; 2013. https://www.clinicalkey.com. Accessed Aug. 9, 2013.
- Comella C. Treatment of dystonia. http://www.uptodate.com/home. Accessed Aug. 9, 2013.