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Flashcards in Asepsis & Infection Deck (11)
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1

Sepsis definition

Presence of pathogens or their toxic products in blood or tissues

2

Asepsis definition

Exclusion of microorganisms and spores; free from infection

3

Antisepsis definition

Prevention of sepsis
Destruction/inhibition of microorganisms
Use of agent safe to use on living tissue

4

Sterilisation definition

Complete eradication of all microorganism including spores

5

Disinfection

Removal of microorganisms; not necessarily spores

6

Protocols to maintain asepsis should include

Correct attire
Scrubbing up procedures
Patient prep
Draping technique
Sterilisation sop
Organisation of sx list
Effective cleaning sop
Correct conduct during sx

7

Sources of contamination

Op room
Equipment
Personnel
Patient

8

Factors influencing wound infection

Virulence of organism
Resistance of patient
Duration of sx (inf. rate 2x for every hour)
Surgical technique (tissue/vascular trauma)

9

Disinfectant for terminal disinfection

Detergent properties
Effective against wide range of bacteria

10

Infection risk reduction during sx

Correct personnel & patient prep
Sterile instruments & equipment
Changing contaminated instruments/equipment/clothing
Sterile fluid lovage prior to closing
Antimicrobial coated sutures (tricoslan)
Antibiotic cover

11

Aseptic skin prep of patient

Immediately prior to sx
All hair & debris removed
Back & forth scrub (70% alc. 4% chl.)
Lint-free swabs
Wear gloves
Avoid soaking patient
2nd prep in theatre + antiseptic skin spray
(Hibitaine + alc)