Microbiology 1 &2 Flashcards
What are some commensals on skin
staphylococcus epidermidis
corynebacterium sp aka diphtheroids
propionibacterium sp
When and ONLY when do you swab??
when there is a clinical question of infection
What antibiotic for staphylococcus aureus?
flucloxacillin
resistant strains
MRSA
what are some toxins produced by some staphylcoccus aureus strains?
- SSSST: staphylococcal scalded skin syndrome toxin
- PVL: Panton Valentine Leucocidin
- Enterotoxin: food poisoning
what infections associated with staphylococcus aureus bacteria ?
wound skin joint and bone infections
What enzyme does staphylococcus aureus produce that differentiates it from other staph infections and what does it do?
- coagulase
- clots the plasma
Coagulase negative staphs usually not pathogenic. True or false?
True
When may coagulase negative staphs e.g. staph epidermidis cause infection?
in association with artificial implants
What is this?
erysipelas put pic in here
erysipelas
What is antibiotic of choice for sensitive strains of staph. aureus?
flucloxacillin
when penicillin
strep. pyogenes
necrotising fasciitis treatment?
- life-threatening
- surgical debridement
what would make you suspicious of necrotising fasciitis?
small inflammed area of skin in which patient has immense pain
What would make you suspicious of necrotising fasciitis?
small inflammed area of skin in which patient has immense pain