Systemic Inflammatory Response Syndrome (SIRS)

Systemic Inflammatory Response Syndrome (SIRS) Criteria

  • Still acceptable to use in ED depending on local protocol
  • Misses up to 1/8 very septic ICU patients[1]


  • ≥2 of 4 criteria must be present:
  1. Temperature >38°C (100.4F) or <36°C (96.9F)
  2. HR >90 BMP
  3. RR >20 breaths/minute or PaCO2 <32 mmHg
  4. WBC count >12,000/mm3, <4,000/mm3, or >10% bands/immature forms

External Links

See Also

References

  1. Kaukonen KM, Bailey M, Bellomo R. Systemic Inflammatory Response Syndrome Criteria for Severe Sepsis. The New England journal of medicine. 373(9):881. 2015.