Abstract
PURPOSE: The incidence of pulmonary embolism (PE) is estimated to be approximately one in one thousand patients with an annual mortality of 300,000. Many clinical prediction scoring systems have been developed that aid the clinician in determining the pretest probability for the diagnosis of PE. One of the best known prediction systems is the Well's criteria. Our study's purpose was to determine whether practitioners at an urban academic medical center consider established risk factors to assess pretest probability prior to ordering a spiral CTA (Computed Tomography Angiography).
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