Wells-Score for pulmonary embolism

Additional Information

Score Description

Wells-Score for pulmonal embolism is a scoring system to evaluate the clinical pretest probability of pulmonary embolism, before laboratory or radiology testing.


Low probability < 2
Moderate probability 2–6
High probability > 6

Further Reading

Wells PS 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 Jul 17;135(2):98-107.