Microbiology - Hospital Acquired Infections Flashcards
1
Q
What is the definition of a hospital acquired infection?
A
Onset of infection >48hrs after hospital admission
2
Q
What is a common organism causing a GI hospital acquired infection?
A
Clostridium difficile (diarrhoea)
3
Q
How is C. diff transmitted?
A
Spore ingestion
4
Q
What are some predisposing factors for a C. diff infection?
A
- Existing gut flora disturbed by Abx
- 4C’s: Clindamycin, Cephalosporins, Co-amoxiclac, Ciprofloxacin
5
Q
What is the pathology of a C. diff infection?
A
- Toxin
- Pseudomembranous colitis
6
Q
What is the management of a C. diff infection?
A
- Metronidazole
7
Q
What organisms can cause a hospital aquired UTI, and which is most common?
A
- E. coli (most common)
- Klebsiella
- Proteus
- Pseudomonas
8
Q
What is a RF for a hospital acquired UTI?
A
Catheter
9
Q
What organisms can cause a hospital acquired bacteraemia?
A
- MRSA (Methicillin-resistant Staphylococcus aureus)
- Coagulase negative Staphylococcus (CoNS)
- E. coli
10
Q
What organisms can cause a hospital acquired surgical site infection?
A
- MRSA (Methicillin resistant staphylococcus aureus)
- Coagulase negative staphylococcus (CoNS)
