Table 2– The Simplified Pulmonary Embolism Severity Index
Age >80 yrs
History of cancer
History of heart failure or chronic lung disease
Heart rate ≥110 beats·min−1
Systolic blood pressure <100 mmHg
O2 saturation <90%
  • Patients receive a point for each item present. Patients with 0 points are low risk and patients with ≥1 points are high risk. Reproduced and modified from [6] with permission from the publisher.