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Wells Score for Pulmonary Embolism
Clinical signs and symptoms of DVT
PE is the most likely diagnosis or equally likely
Heart rate > 100
Immobilization for at least 3 days or surgery in the previous 4 weeks
Previous PE or DVT
Hemoptysis
Malignancy with treatment within 6 months or palliative
Score:
Result:
Explanation
Another study indicates that a score ≤ 4 means "PE unlikely," with a PE incidence of 3%.
References
Wells PS, Anderson DR, Rodger M, Stiell I, Dreyer JF, Barnes D, Forgie M, Kovacs G, Ward J, Kovacs MJ. Excluding pulmonary embolism at the bedside without diagnostic imaging: management of patients with suspected pulmonary embolism presenting to the emergency department by using a simple clinical model and d-dimer. Ann Intern Med. 2001 Jul 17;135(2):98-107. PubMed PMID: 11453709.
Wolf SJ, McCubbin TR, Feldhaus KM, Faragher JP, Adcock DM. Prospective validation of Wells Criteria in the evaluation of patients with suspected pulmonary embolism. Ann Emerg Med. 2004 Nov;44(5):503-10. PubMed PMID: 15520710.
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