Launched on 6th of October 2026

Pulmonary embolism

DASH Score

Patient-level meta-analysis score (Tosetto 2012): abnormal D-dimer after stopping anticoagulation, Age ≤ 50, Sex (male) and Hormone use at the time of the VTE (women). Predicts annual recurrence after stopping treatment.

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Criteria
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  • Validated for first unprovoked VTE after at least 3 months of anticoagulation. The D-dimer requires stopping treatment first.
Total score
0
Low recurrence risk
Recurrence ≈ 3.1% per year after stopping
Decision guide
Stopping anticoagulation after 3–6 months is reasonable, especially if bleeding risk is not low. Discuss patient preference.
Ranges: -2–1 Low recurrence risk2 Intermediate recurrence risk3–4 High recurrence risk