Table 1.

The Well’s score for pulmonary embolism

Clinical signs and symptoms of deep venous thrombosis (objectively measured leg swelling and pain with palpation in the deep-vein region).	3.0 points
Heart rate higher than 100 beats/min.	1.5 points
Immobilisation (bedrest, except to access the bathroom, for >= 3 consecutive days) or surgery in the previous 4 weeks.	1.5 points
Haemoptysis.	1.0 point
Malignancy (patients with cancer who were receiving treatment, those in whom treatment had been stopped within the past 6 months, or those who were receiving palliative care).	1.0 point
Pulmonary embolism as likely as or more likely than an alternative diagnosis.	3.0 points
Previous objectively diagnosed deep venous thrombosis or pulmonary embolism.	1.5 points

Table with the criteria and the score assigned to each one.