Emergency
Wells PE
Pretest probability score for pulmonary embolism in patients presenting with suspected PE. Three-tier interpretation guides whether to use d-dimer or proceed directly to imaging.
Leg swelling, pain on palpation of deep veins
Treatment within 6 months or palliative
Source
Wells PS, Anderson DR, Rodger M, Stiell I, Dreyer JF, Barnes D, Forgie M, Kovacs G, Ward J, Kovacs MJ. 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. Annals of Internal Medicine 2001.