This calculator evaluates the following Clinical Criteria:
- Active cancer (treatment ongoing or within the previous six months or palliative)
- Paralysis, paresis, or recent plaster immobilization of the lower extremities
- Recently bedridden for more than 3 days or major surgery within 12 weeks
- Localized tenderness along the distribution of the deep venous system
- Entire leg swollen
- Calf swelling by more than 3 cm when compared with the asymptomatic leg (measured below tibial tuberosity)
- Pitting edema (greater in the symptomatic leg)
- Collateral superficial veins (nonvaricose)
- Alternative diagnosis as likely or more likely than that of DVT
- Previously documented DVT
References
- Wells PS, Anderson DR, Rodger M, et al. Evaluation of D-dimer in the diagnosis of suspected deep-vein thrombosis. N Engl J Med. 2003 Sep 25;349(13):1227-35. PubMed ID: 14507948
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