Interactive SIRS criteria calculator. Requires the calculator gadget.
Usage: {{SIRS Calculator}}
SIRS Criteria
SIRS Criteria
| Criteria
|
No (0)
|
Yes (+1)
|
| Temperature >38°C (100.4°F) or <36°C (96.8°F)
|
1
|
|
| Heart rate >90 bpm
|
1
|
|
| Respiratory rate >20 breaths/min or PaCO₂ <32 mmHg
|
1
|
|
| WBC >12,000/mm³ or <4,000/mm³ or >10% bands
|
1
|
|
| SIRS Criteria Met
|
/ 4
|
| Interpretation
|
| 0–1
|
SIRS criteria NOT met — Fewer than 2 criteria present.
|
| ≥2
|
SIRS criteria MET — If infection is suspected or confirmed, meets criteria for sepsis (per Sepsis-1/2 definition). Note: Sepsis-3 uses qSOFA/SOFA criteria instead.
|
| References
|
- Bone RC et al. Definitions for sepsis and organ failure. Chest. 1992;101:1644-1655. PMID 1303622.
- Kaukonen KM et al. SIRS criteria in defining severe sepsis. N Engl J Med. 2015;372:1629-1638. PMID 25776936.
|
