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  Well's Pulmonary Embolism risk score  

Clinically suspected DVT
Alternative diagnosis is less likely than PE
Tachycardia
immobilization/surgery
within previous four weeks
History of DVT or PE
Haemoptysis
Malignancy (treatment for within 6 months, palliative)
Wells Score (points)

Score Interpretation:

Calculation(s) used

Well's scoring

Interpretation

Wells Score PE risk
0 - 5 Low risk
(15% probability)
6 - 10 Moderate risk
(29% probability)
11 - 20 High Risk
(59% probability)

  

References
1. Wells PS, Anderson DR, Rodger M, et. al. Derivation of a simple clinical model to categorize patients probability of pulmonary embolism: increasing the models utility with the SimpliRED D-dimer. Thromb Haemost. 2000 Mar;83(3):416-20.

Copyright 2006-2010 Jamie Al-Nasir, all rights reserved