Methodology for a rapid protocol to rule out pulmonary embolism in the emergency department.

  title={Methodology for a rapid protocol to rule out pulmonary embolism in the emergency department.},
  author={Jeffrey A. Kline and Philip S Wells},
  journal={Annals of emergency medicine},
  volume={42 2},
We propose an emergency department (ED) pulmonary embolism rule-out protocol based on pretest probability assessment coupled with either a negative D -dimer assay result or a negative D -dimer assay result plus a normal alveolar dead-space measurement. We examine the safety, efficiency, and feasibility of such a protocol, paying special attention to implicit and explicit strategies of pretest probability assessment among patients with suspected pulmonary embolism. Finally, we assess the… CONTINUE READING

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TG McGinn, GH Guyatt, PC Wyer
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