Emergency Medicine · Internal Medicine · Critical Care
Systemic Inflammatory Response Syndrome (SIRS) calculator
Enter the published formula inputs below to calculate and interpret this score.
Clinical inputs
Result
0
SIRS absent (0–1 criteria)
Fewer than 2 SIRS criteria are present; this does not exclude infection or organ dysfunction.
Formula inputs
- Temperature >38°C or <36°C
- Heart rate >90/min
- Respiratory rate >20/min or PaCOâ‚‚ <32 mmHg
- WBC >12,000/mm³, <4,000/mm³, or >10% bands
Primary source
Bone RC et al. Definitions for sepsis and organ failure and guidelines for innovative therapies. Chest (1992)
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