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Flashcards in Aseptic technique Deck (17):
1

sepsis - define

pathogens +/- toxic substances in tissue

2

asepsis - define

absence of pathogenic microbes in tissue

3

antisepsis - define

prevention of sepsis by destruction/inhibition of microorganisms

4

antiseptic - define

chemical that kills/inhibits pathogens - applied to the body

5

disinfectant - define

chemical that kills/inhibits pathogens - applied to inanimate objects

6

sterilisation - define

complete elimination of microbial viability, incl spores, physically/chemically

7

chlorhexidine

kills broad spec of bacteria - no spores, variable for viruses
rapid initial kill + residual activity

8

iodine

kills bacteria, viruses, fungi - not spores
use on mucosal surfaces - not near open wounds
corrodes instruments + can cause contact dermatitis

9

alcohol

kills broad spec of bacteria
enhances effect of chlorhexidine + iodine
corrodes instruments

10

closed gloving

in most surgeries
needs long sleeve gown
gloves must cover cuff of gown

11

open gloving

procedures that only need sterile hands

12

methods of sterilisation of instruments

physical - heat, irradiation, filtration
chemical - ethylene oxide, disinfectants

13

surgical infection - bacterial factors

presence, growth + no. of bacteria
type + virulence
duration of exposure
nature of contamination

14

surgical infection - surgical factors

duration + technique
preparation
dead space + seroma
foreign material
blood clots
devitalised tissue

15

surgical infection - host risk factors

age
nutritional status
disease conditions
therapy

16

antimicrobial prophylaxis - define + aim

administration of antimicrobials before contamination of surgical site
achieve + maintain MIC at surgical site for the duration of the procedure

17

results of inappropriate antimicrobial prophylaxis

idiosyncratic drug reactions
resistant bacteria
suppression of normal bacterial flora