Shaping better health
REMEDY : BNSSG referral pathways

Pulmonary Embolus

Checked: 30-04-2018 by Rob.Adams Next Review: 30-04-2019

When to suspect PE

Clinical Knowledge Summaries gives some advice on When to Suspect PE.


Managing suspected PE

CKS has advice on Managing Suspected PE. This includes advice on use of the two-level PE Wells score to estimate clinical probability of PE and when to consider d-Dimer testing or referral for CTPA.

Red Flags

Arrange immediate admission for people with suspected pulmonary embolism:

  • If they are severely ill with any of the following features:
    • Altered level of consciousness.
    • Systolic BP of less than 90 mmHg.
    • Heart rate of more than 130 beats per minute.
    • Respiratory rate of more than 25 breaths per minute.
    • Oxygen saturation of less than 91%.
    • Temperature of less than 35°C.
  • If they are pregnant, or have given birth within the past 6 weeks.