Infection Control Flashcards
3 things needed for nosocomial pathogen?
source
mode of transmission
susceptible host
2 kinds of source of pathogens
Animate
Inanimate
direct or indirect more common for of pathogens transmission?
indirect via contaminated intermediate object or person
How big to be called droplet? how far travel?
> 5um
travels around 1m
eg of droplet bugs? 5 of them
NIPSR Neisseria Influenza pertussus rhinovirus
How big to be called air borne? how far travel?
<5um
suspended in air
Eg of airborne bugs? 3
TB
Measles
Varicella
standard precautions?
all patients, all times re: bodily fluids, blood
contact precautions?
gown
gloves
droplet precaustions?
surgical masks
airborne precautions?
negative pressure vent
N95 mask
3 things use airborne precautions?
TB
measles
varicella
Sterilisation vs. disinfection vs. cleaning?
Sterilisation: all organisms
Disinfection: all except bacterial spores
Cleaning: visible soil only
What is Spaulding classification?
Critical: steam
Semicritical: H2O2
noncritical: isopropyl
how to sterilize heat sensitive objects?
H2O2 vapour/plasma, ozone, chems