title: Helical CT challenges model for diagnosing pulmonary embolism.
abstract: But, some experts say, it's too soon to rely on this new technology exclusively. The best practice for diagnosing PE, according to some hospitalists: an integrated approach using pretest probability models, V/Q scanning, helical CT, and noninvasive lower extremity testing.
mesh_terms: D000465:Algorithms; D003937:Diagnosis, Differential; D006801:Humans; D011655:Pulmonary Embolism / Q000000981:diagnostic imaging*; D012680:Sensitivity and Specificity; D014057:Tomography, X-Ray Computed / Q000379:methods*; D020246:Venous Thrombosis / Q000000981:diagnostic imaging