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Multislice CT scans and d-dimer assays may be the most practical strategy for diagnosing PE
  1. Z Ahmed
  1. Registrar in Respiratory Medicine, Princess Royal Hospital, Telford, UK; zafarahmed@eircom.net

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    ▴ Perrier A, Roy P-M, Sanchez O, et al. Multidector-row computed tomography in suspected pulmonary embolism. N Engl J Med2005;352:1760–8
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    This prospective management trial with a 3 month follow up examined whether the use of multidetector row computed tomographic (CT) scanning combined with d-dimer ruled out pulmonary embolism (PE) safely without the use of lower limb ultrasonography, which has previously been shown to be needed along with single detector row CT scanning.

    756 patients (of the 1014 screened: exclusion criteria included contraindications to contrast CT and other reasons for not participating in the study) …

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