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QuickStats: Number of Emergency Department (ED) Visits with Diagnostic Imaging Performed --- United States, 1995 and 2004

Please note: An erratum has been published for this article. To view the erratum, please click here.

* Magnetic resonance imaging or computerized axial tomography.

Trends in the use of diagnostic imaging can be an important component of tracking ED use and cost. In 2004, more ED visits included imaging procedures than in 1995 (43% versus 38% of visits, respectively). During 1995--2004, the number of MRI or CAT scans nearly quadrupled, and the number of ultrasounds more than doubled. The overall number of ED visits increased by 14%.

SOURCE: CDC. National Hospital Ambulatory Medical Care Survey, 1995 and 2004. Available at http://www.cdc.gov/nchs/nhamcs.htm.



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