Assesses the pre-test probability of a patient having a pulmonary embolism (PE) based on clinical findings. This score helps guide decisions on further diagnostic testing.
Start with your values, or try a preset.
Enter Clinical signs of deep vein thrombosis (DVT), Alternative diagnosis less likely than PE, Heart rate > 100 bpm, Immobilization or surgery in the previous 4 weeks, Previous DVT or PE, Hemoptysis, and Malignancy (treatment within 6 months or palliative) in the units shown.
Read Total Wells Score and Pre-test Probability of PE in the results panel. Results update as you change the inputs.
Choose a preset to load an example, then adjust the values for your situation.
See the inputs and their calculated results.
Clinical signs of deep vein thrombosis (DVT): Present; Alternative diagnosis less likely than PE: Yes; Heart rate > 100 bpm: No; Immobilization or surgery in the previous 4 weeks: No; Previous DVT or PE: No; Hemoptysis: No; Malignancy (treatment within 6 months or palliative): No
Total Wells Score: 6; Pre-test Probability of PE: Intermediate (3-25%)
Clinical signs of deep vein thrombosis (DVT): Absent; Alternative diagnosis less likely than PE: No; Heart rate > 100 bpm: Yes; Immobilization or surgery in the previous 4 weeks: No; Previous DVT or PE: Yes; Hemoptysis: No; Malignancy (treatment within 6 months or palliative): No
Total Wells Score: 3; Pre-test Probability of PE: Low (likely < 3%)
Clinical signs of deep vein thrombosis (DVT): Absent; Alternative diagnosis less likely than PE: No; Heart rate > 100 bpm: No; Immobilization or surgery in the previous 4 weeks: No; Previous DVT or PE: No; Hemoptysis: Yes; Malignancy (treatment within 6 months or palliative): Yes
Total Wells Score: 2; Pre-test Probability of PE: Low (likely < 3%)
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