Purpose: Identify patients that have an increased probability of having a pulmonary embolism based on specific patient characteristics.

Stage of CPR Development: Validated.

Rule:

Clinical Characteristic Score
Age 65 years or over +1
Previous Deep Vein Thrombosis or Pulmonary Embolism +3
Surgery or fracture within 1 month +2
Active malignant condition +2
Unilateral lower limb pain +3
Haemoptysis +2
Heart rate 75 to 94 beats per minute +3
Heart rate 95 or more beats per minute +5
Pain on deep palpation of lower limb and unilateral oedema +4

Interpretation:

Probability Level and Actual PE Incidence
Study Low (<4) Medium (4-10) High (> 10) Sensitivity Specificity
Guo et al., 2015 (Elderly) 18.5% 31.2% 75.0% N/A N/A
Guo et al., 2015 (Non-Elderly) 24.6% 22.4% 76.9% N/A N/A
Luo et al., 2014 8.7% 28.1% 50.0% N/A N/A
Penaloza et al., 2013 13.0% 33.2% 68.7% N/A N/A
Ye et al., 2012 10.0% 48.7% 70.0% 0.55 0.79
Tsimogianni et al., 2011 N/A N/A N/A 0.64 0.89
Penaloza et al., 2011 4.0% 25.0% 56.0% N/A N/A
Guo et al., 2009 20.0% 37.9% 61.3% N/A N/A
Turedi et al., 2008 N/A N/A N/A 0.74 0.51
Chagnon et al., 2002 12.0% 40.0% 91.0% N/A N/A

Research:

1. Shen JH, et al. Comparison of the Wells score with the revised Geneva score for assessing suspected pulmonary embolism: a systematic review and meta-analysis. Journal of thrombosis and thrombolysis. 2015;41(3):482-492. doi:10.1007/s11239-015-1250-2.

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