Infection control Flashcards
What is most common source of blood stream infections?
IV devices in situ
What act makes infection a legal obligation?
Health and Social care act- 2006/09
State chain of transmission?
1) Mode of transmission
2) Portal of entry
3) Susceptible host
4) Infectious agent
5) Resevoir
6) Portal of exit
State 3 modes of transmission?
Contact
Ingestion
Inhalation
State 3 portals of entry?
Broken skin
Respiratory tract
Catheters and tubes
GI tract
GU tract
What are 4 infectious agents?
Bacteria
Virus
Fungi
Parasites
State 4 resevoirs for infection?
Dirty surface and equipment
People
Water
Animals
Soil
State why host would be susceptible?
Low immunity
Elderly, neonatal, malnourished
Low WBC
Invasive procedure
What are 2 modes of transmission of infection chain?
Exogenous- direct/indirect, vector spread, airborne
Endogenous- self spread
State 6 modes of transmission of infection?
Direct STI
Indirect
Vector borne- malaria
Vehicle borne
Airborne
Respiratory route- TB
State 2 ways of breaking chain?
Hand decontamination
What are 3 types of handwashing?
Lvl 1- routine handwashing
Lvl 2- hygienic hand antisepsis
Lvl 3- surgical hand scrub
Does alcohol gel kill all micro-organisms?
No- most eg mrsa NOT norovirus
List ways breaking chain infection?
Hand hygiene
PPE
Food safety
Waste disposal- sharps bins, clinical waste
What can cause diarrhoea?
E.Coli
