Microbiology Flashcards
What is osteomyelitis?
Inflammation of bone and medullary cavity
What is the key to preventing osteomyolitis in open fractures?
Aggressive debridement, fixation and soft tissue cover
What would give you a clue that there could be osteomyolitis in a patient who had an open fracture?
Non-union and poor wound healing
What bacteria would you typically find in an open fracture?
Staphylococcus aureus and other aerobic gram negative bacteria
What is your go to investigation in a patient with foot ulcers where you suspect osteomyolitis?
Probe to bone
What is the specificity and sensitvty of the probe to bone test?
90% specific
60% sensitive
Who gets Haematogeneous Osteomyelitis?
PWID
Central Lines
Prepubertal children
What organisims do you usually find in PWID
Staphylococcus
Streptococci
What organisim usually causes osteomyoliis with a dialysis patient?
Staphylococcus aureus
What organisims are common in sickle cell osteomyelitis?
Salmonella
Staphylococcus aureus
How do you treat Vertebral Osteomyolitis?
Drain abscesses
Antimicrobials for 6 weeks
What do you do if a prosthetic join becomes infected after surgery?
Remove the joint
6 weeks + of antibiotics
Replace joint
What is the treatment for Septic Arthritis?
Flucloxacillin
What is pyomyositis?
Pussy muscles
What kind of bacteria causes Tetanus?
Gram positive anaerobic rods which has spores in soil