A CT scan is an imaging test that uses X-rays to produce detailed images of the inside of your body.
Most headaches aren't caused by a serious illness, but some could be a sign of a life-threatening condition.
MRI uses a magnetic field and radio waves to create detailed images of the organs and tissues within your body.
Neck pain can result from a wide variety of causes including injury, poor posture, and wear and tear on joints.
Feb. 08, 2012
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- Tarshish S, et al. Teaching case presentation: Primary thunderclap headache. Headache. 2009;49:1249.
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- Neurological diagnostic tests and procedures. National Institute of Neurological Disorders and Stroke. http://www.ninds.nih.gov/disorders/misc/diagnostic_tests.htm. Accessed Oct. 23, 2011.
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