Criteria for diagnosis of SIRS is -
Systemic inflammatory response syndrome (SIRS) is an inflammatory state affecting the whole body. It is the body's response to an infectious or noninfectious insult. Although the definition of SIRS refers to it as an "inflammatory" response, it actually has pro- and anti-inflammatory components Ref Davidson 23rd edition pg 1337
Hea rate> 90/min
Raised CRP
Decreased BP
Decreased plasma
Miscellaneous