NEXUS criteria for blunt chest trauma patients who are over 14 years old, not intubated:

• >60 years old

• rapid deceleration defined as fall > 6 meters or motor vehicle crash >64 km/hour

• chest pain

• intoxication

• abnormal alertness or mental status

• distracting painful injury

• tenderness to chest wall palpation

  If abnormal chest X-Ray proceed to chest CT.  Negative predictive value of 99.9% excluding major injury.

References

1. https://radiopaedia.org/articles/nexus-chest-1?lang=us
2. https://wikem.org/wiki/NEXUS_Chest_CT_Rule