New Prospective for the Management of Low-Risk Pulmonary Embolism: Prognostic Assessment, Early Discharge, and Single-Drug Therapy with New Oral Anticoagulants
Table 1
PESI (pulmonary embolism severity index).
Predictors
Points assigned
Risk class
Points
Age
Age, in yr
I
Very low
≤65
Male sex
+10
II
Low
66–85
Cancer
+30
III
Intermediate
86–105
Heart failure
+10
IV
High
106–125
Chronic lung disease
+10
V
Very high
≥126
Pulse ≥110/min
+20
Systolic blood pressure <100 mmHg
+30
Respiratory rate ≥30/min
+20
I-II
Low
≤85
Temperature <36°C
+20
III–V
High
>85
Altered mental status†
+60
Arterial blood oxygen saturation <90%∣∣
+20
†Defined as disorientation, lethargy, stupor, or coma. ∣∣With and without the administration of supplemental oxygen.