• Rationale and Comments

    In patients with witnessed syncope, but with no suggestion of seizure and no report of other neurologic symptoms or signs, the likelihood of a central nervous system cause of the event is extremely low and patient outcomes are not improved with brain imaging studies.

    Sponsoring Organizations

    • American College of Physicians


    • National Institute for Health and Clinical Excellence guidelines
    • American College of Radiology guidelines


    • Neurologic


    • ACR-ASNR Practice guideline for the performance of computed tomography (CT). 2010. http://www.asnr.org/sites/default/files/guidelines/CT_Brain.pdf.
    • National Institute for Health and Clinical Excellence. Transient loss of consciousness in adults and young people. August 2010. http://guidance.nice.org.uk/CG109.