septic arthritis Flashcards Preview

Year 3: Musculoskeletal > septic arthritis > Flashcards

Flashcards in septic arthritis Deck (5)
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1
Q

define septic arthritis?

A

joint inflammation resulting from intra-articular infection.

2
Q
most common causative agents in the following: 
everyone 
in kids 
in sexually active adults 
in sickle cell 
in a prosthetic joint
A

EVERYONE staphylococcus aureus
In children streptococcus pyogenes
In sexually active adults Neisseria gonorrhoeae
In sickle cell salmonella typhimurium
In new prosthetic joint staphylococcus epidermidis

3
Q

presenting symptoms of septic arthritis?

A
  • Fever
  • Acute swollen joint
  • Restricted movement
  • Warm to touch
4
Q

most important investigation for septic arthritis?

A

• Joint Aspiration

to check for organism

5
Q

what is kochers criteria?

A

o Fever >38.5 degrees
o Non weight bearing
o Raised ESR
o Raised WCC