Blood cultures Flashcards
1
Q
indications?
A
2 or more SIRS criteria - HR> 90 - SBP <90 - WCC >12 or <4 - T>38 or <36 - RR>20 - altered mental state - BM>8 CAP with CRB-65 >1 Specific conditions: osteomyelitis / septic arthritis / meningitis / Typhoid fever / pyelonephritis / endocarditis / vascular graft infection / infection related to vascular device
2
Q
sites to avoid when taking a blood culture?
A
femoral vein peripheral cannula site above peripheral cannula site multiple sample from same puncture site (antecubital fossa is best)
3
Q
which bottle should you inoculate first?
A
aerobic (green)
then red
avoid introducing air from syringe into anaerobic bottle
4
Q
a PVC should ideally not be in-situ for longer than …
A
72 hours
5
Q
what is Staphylococcus aureus Bacteraemia?
A
a person from whose blood MRSA or MSSA has been isolated and reported by a diagnostic microbiology
laboratory, in the absence of a positive blood culture in the previous 2 weeks
6
Q
when to use aseptic technique?
A
- Insertion of invasive vascular devices e.g. PVC, PICC
- Obtaining blood samples e.g. cultures
- Undertaking medical procedures where the skin or mucous membranes are breached
- Suturing
- Undertaking wound dressings
- Insertion of urinary catheters
7
Q
WHO 5 key moments for hand hygeine?
A
before touching a patient after touching a patient after touching patient surroundings before aseptic procedure after body fluid exposure
