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Wells Pulmonary Embolism (PE) Score Calculator

  • Clinical Signs of DVT (leg swelling, pain with palpation)
  • Heart Rate >100 bpm
  • Immobilization >3 days or Surgery in last 4 weeks
  • Previous DVT/PE
  • Hemoptysis
  • Malignancy (on treatment, treated in last 6 months, palliative)
  • Wells Pulmonary Embolism (PE) Score: Explanation and Clinical Context
    The Wells PE Score is a validated clinical tool used to estimate the pretest probability of pulmonary embolism in patients presenting with suspected PE.
    It uses simple clinical criteria including signs of DVT, heart rate, recent immobilization or surgery, previous history of DVT/PE, hemoptysis, and active malignancy.
    The total score stratifies patients into low, moderate, or high risk for PE, guiding further diagnostic testing and management.

    Reference:
    Wells PS, et al. Evaluation of D-dimer in the diagnosis of pulmonary embolism: a systematic review. Thromb Haemost. 1998;79:457-461. doi:10.1055/s-0037-1613696

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