septic arthritis and bursae Flashcards
is septic arthritis an emergency
yes !
where can the spread come from
- direct invasion through penetrating wound
- spread from infectious focus in adjacent soft tissue
- spread from focus of osteomyelitis in adjacent bone
- hematogenous spread
definition of septic arthritis
inflammation of the joint space caused by infection
causes of septic arthritis
- blood borne organism
- extension of a local infection
- direct inoculation
bacteria for septic arthritis
staph aureus
streptococci
how to diagnose septic arthritis
joint fluid for microscopy
blood culture
exclude crystals
X-ray
treatment for septic arthritis
presumptive treatment to cover staphylococcus aureus
FLUCLOXACILLIN (high doses)
if less than 5 years old add ceftriaxone
what are bursae
Bursae are small fluid-filled sacs that reduce friction between moving parts in your body’s joints.
what is reactive arthritis
sterile inflammation, hypothesized to be secondary to a dysregulatory immune response from an antecedent infection
symptoms of PVL producing staph aureus
- skin infections
- necrotising pneumonia
- invasive infections
treatment for PVL producing staph aureus
flucloxacillin, clindamycin, linezolid