Table 1

Discrepancies between SIRS criteria and MTS discriminators

Vital signMTS orangeACCP/SCCM
RR (breaths per minute)‘Inadequate breathing or acutely short of breath’≥20
HR (bpm)>120≥90
Temperature (°C)<35 or >41
>38.5 (yellow)
≤36 or ≥38
BP (mm Hg)Only mentioned for pregnancy≤90 systolic for ‘circulatory dysfunction’
  • ACCP/SCCM, American College of Chest Physicians and Society of Critical Care Medicine; MTS, Manchester Triage System.