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Wells' Criteria for Pulmonary Embolism

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Step 1 of 7 14%

Clinical signs and symptoms of DVT *

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PE is #1 diagnosis OR equally likely *

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Heart rate >100 *

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Immobilization at least 3 days OR surgery in the previous 4 weeks *

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Previous, objectively diagnosed PE or DVT *

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Hemoptysis *

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Malignancy w/ treatment within 6 months or palliative *

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    Wells PS, Anderson DR, Rodger M, et al. 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;135(2):98-107.
    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;83(3):416-420.
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