Wells score for DVT (modified)

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Editor(s)-In-Chief: The APEX Trial Investigators, C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Sadaf Sharfaei M.D.[2]

Modified Wells Score Calculator for DVT

Calculation of the Modified Wells Score for DVT

This handy calculator computes the pre-test probability of deep vein thrombosis (DVT) using modified Wells criteria.[1][2][3][4][5]

Check all boxes that apply to your patient:

Modified Wells Score Calculator for DVT
Variable Score
Active cancer (treatment within last 6 months or palliative) 1
Calf swelling >3 cm compared to other calf (measured 10 cm below tibial tuberosity) 1
Collateral superficial veins (non-varicose) 1
Pitting edema (confined to symptomatic leg) 1
Swelling of entire leg 1
Localized pain along distribution of deep venous system 1
Paralysis, paresis, or recent cast immobilization of lower extremities 1
Recently bedridden > 3 days, or major surgery requiring regional or general anesthetic in past 12 weeks 1
Previously documented DVT 1
Alternative diagnosis at least as likely -2
Wells Score:
Interpretation:

Interpretation of the Modified Wells Score for DVT

The interpretation of the score is as follows:

  • Score ≥2: DVT is likely (Prevalence of DVT or PE - 28%)
  • Score <2: DVT is unlikely (Prevalence of DVT or PE - 6%)

References

  1. ↑ Wells PS, Anderson DR, Rodger M, Forgie M, Kearon C, Dreyer J, Kovacs G, Mitchell M, Lewandowski B, Kovacs MJ (September 2003). "Evaluation of D-dimer in the diagnosis of suspected deep-vein thrombosis". N. Engl. J. Med. 349 (13): 1227–35. doi:10.1056/NEJMoa023153. PMID 14507948.
  2. ↑ Scarvelis D, Wells PS (October 2006). "Diagnosis and treatment of deep-vein thrombosis". CMAJ. 175 (9): 1087–92. doi:10.1503/cmaj.060366. PMC 1609160. PMID 17060659.
  3. ↑ Wells PS, Owen C, Doucette S, Fergusson D, Tran H (January 2006). "Does this patient have deep vein thrombosis?". JAMA. 295 (2): 199–207. doi:10.1001/jama.295.2.199. PMID 16403932.
  4. ↑ Bates SM, Jaeschke R, Stevens SM, Goodacre S, Wells PS, Stevenson MD, Kearon C, Schunemann HJ, Crowther M, Pauker SG, Makdissi R, Guyatt GH (February 2012). "Diagnosis of DVT: Antithrombotic Therapy and Prevention of Thrombosis, 9th ed: American College of Chest Physicians Evidence-Based Clinical Practice Guidelines". Chest. 141 (2 Suppl): e351S–e418S. doi:10.1378/chest.11-2299. PMC 3278048. PMID 22315267.
  5. ↑ Silveira PC, Ip IK, Goldhaber SZ, Piazza G, Benson CB, Khorasani R (July 2015). "Performance of Wells Score for Deep Vein Thrombosis in the Inpatient Setting". JAMA Intern Med. 175 (7): 1112–7. doi:10.1001/jamainternmed.2015.1687. PMID 25985219.
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