Input:   Age Range < 57 (0) 57-67 (0.80) 68-74 (0.87) >= 75 (1.14) Sex Female (0) Male (0.60) Risk Factors Recent immobilization (0.42) History of DVT (0.64) History of cardiovasc dx (-0.51) History of pulmonary dx (-0.89) Acute onset of dyspnea (2.0) Orthopnea (-1.51) Chest pain (1.01) Syncope (0.66) Hemoptysis (0.93) Unilateral leg swelling (0.80) Fever >= 38° C (-1.47) Wheezes present (-1.20) Crackles present (-0.61) Cor pulmonale on EKG (1.96)

Results:   Factor Sum   # index none number points score Risk   % fraction ratio   Decimal Precision: 0 1 2 3

Notes

• The Cor pulmonale on EKG term can be checked if there is evidence of S1Q3T3, S1S2S3, negative right chest T waves, right bundle branch block (transient), or pseudoinfarction.

References

1. Miniati M, Bottai M, Monti S, et. al. Simple and accurate prediction of the clinical probability of pulmonary embolism. Am J Respir Crit Care Med. 2008 Aug 1;178(3):290-4. Epub 2008 Apr 24.