or 36 C
|Heart rate||90 beats per minute|
|Respiratory rate|| 20 breaths per minute
or PaCO 32 mmHg ( 4.3 kPa)
|White cell count||
or immature (band) cells
The definition of SIRS has varied and most accepted definition is that given by the American College of Chest Physicians (ACCP)/ Society of Critical Care Medicine (SCCM)[Ame92], outlined in table 1.
In simple terms SIRS is defined as a syndrome characterised by the presence of two or more variables. This definition is fairly wide and all encompassing, indeed any sick surgical patient almost automatically has SIRS.