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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

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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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