Microbiology Flashcards
treatment for staph aureus
flucloxacillin
treatment for staph epidermis
vancomycin
treatment for gram negatives
doxycycline
clindamycin
length of treatment for osteomyelitis
6 weeks
where do you usually get osteomyelitis?
long bones
what is osteomyelitis
inflammation of bone and medullary cavity
best form of indirect diagnosis for osteomyelitis
MRI
best form of direct diagnosis of osteomyelitis
bone biopsy (histology via surgical sample) probe to bone test
what would an area of visible bone and infection indicate?
osteomyelitis
when would you suspect osteomyelitis in an ulcer?
> 2cm for >2months
how to treat osteomyelitis?
remove infected tissue
drain
debride
when would you give empiric antibiotics before you know the microbe?
sepsis
soft tissue infection
causes of osteomyelitis
open fractures
diabetes/vascular insufficiency
prosthetic joint infection
what does an open fracture look like?
bone has split, can usually see it
when would you suspect an open fracture is infected?
poor wound healing
appearance
smell
appearance of a diabetic foot?
ischaemia
claw-like toes curled
loss of sensation
cavus deformity under foot
when does staph epi become problematic?
prosthetic limbs and hip replacements
what would you give for osteomyelitis
flucloxacillin iv