Wells Score for PE
DVT signs (3), PE #1 diagnosis / alternative less likely (3), HR >100 (1.5), immobilization/surgery (1.5), prior PE/DVT (1.5), hemoptysis (1), malignancy (1).
Calculator
How it works
The Wells score estimates pretest probability of PE using bedside variables; it is often paired with D-dimer strategies.
Limits
Half-point totals and PE unlikely cutoffs vary by guideline version; pregnancy, COPD, and tachycardia mimics are not modeled.
Educational tool only—not for diagnosis or treatment decisions.