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Table 3 Pulmonary Embolism Probability Score (PEPS)

From: MOdified DIagnostic strateGy to safely ruLe-out pulmonary embolism In the emergency depArtment: study protocol for the Non-Inferiority MODIGLIANI cluster cross-over randomized trial

 

Points

Age < 50 years

−2

Age 50–64 years

−1

Chronic respiratory disease

−1

Heart rate <  80/min

− 1

Chest pain and dyspnea

1

Prolonged decubitus

2

Sex male

2

Syncope

2

History of thrombo-embolic disease

2

Estrogen use

2

SpO2 < 95%

3

Lower leg pain or edema

3

Pulmonary embolism is the most likely diagnosis

5

  1. < 0 Pulmonary embolism (PE) unlikely (PE ruled out) ; 0–4, low probability (D-dimer threshold at 1000 ng/ml) ; 5–11, intermediate probability (age-adjusted threshold for D-dimer) ; > 11, high probability (computed tomographic pulmonary angiogram indicated)