Effect of a Diagnostic Strategy Using an Elevated and Age-Adjusted D-Dimer Threshold on Thromboembolic Events in Emergency Department Patients With Suspected Pulmonary Embolism. A Randomized Clinical Trial

• Excluded:
  • high probability of PE>50%
  • low probability of PE with a PERC score of zero
  • severe illness (resp distress, hypotension, o2 saturation <90%
  • current antico-agulant treatment
  • a current diagnosis of thromboembolism,
  • pregnancy