infection - microbial phenomenon characterized by inflammatory response to the microorganisms or the invasion of normally sterile tissue by those organisms
bacteremia - presence of bacteria within the bloodstream
sepsis - systemic response to infection
SIRS - systemic response to infection in addition to presumed infection (dah ada infection)
criteria
1) temp : <36 or >38
2) heart rate : >90
3) RR : >20
4) WCC : <4 or >12
diagnosed as SIRS when it meets two of these criteria
Severe sepsis - a/w organ failure
