Use full for infection control team , student nurses and allied health science departments. And also for those who are doing cleaning work in the clinical settings

1. Nosocomial Infection
Mrs.N .Vijayalakshmi M.Sc(N)
NCON

4. Definition
A noso infection also called as Health care
associated infections or Hospital Acquired
Infections – HAIs can be defined as,
• An infection acquired by a patient during
hospital care which was not present or
incubating at the time of admission. This
includes infections acquired in the hospital but
appearing after discharge (after48 hrs of
discharge )

6. Factors of HAI
Main factors
• Invasive procedures
• Antibiotic administration
• Presence of multi drug resistance organisms
• Breaks in the infection prevention and control
activities
Other factors
Diagnostic or therapeutic procedures

8. Exogenous – organism is present outside of the
patient
Example – post operative infection
Endogenous – part of normal flora becomes
altered or over growth
Example – patient is getting more antibiotics will
get Clostridium Dificle infection( inflammation of
the colon)

9. Agent
Enviro
nment
HAIS
Host
Various organisms, Hospital
and Human reservoirs
and their virulence
Age, poor nutrition
status, severity of
underlying diseases
Hospital location,
diagnostic procedures,
antibiotics, medical
and surgical devices
Exposure to infected
patients or health care
workers
Asymptomatic carriers

23. W

26. Asepsis
Medical Asepsis Surgical Asepsis
These are the clean techniques,
Hand hygiene
PPE
Clean environment
Cleaning and
Disinfection of instruments
Clean method of specimen collection
Bagging trash or linen
Transporting client
Sterile techniques includes,
Sterile environment
Sterile instruments(Common in, OT,
Labour room, Major diagnostic areas)
Client preparation
Surgical scrub
Sterile gloves
Sterile gown