septic arthritis

Question 1

define septic arthritis?

Answer 1

joint inflammation resulting from intra-articular infection.

Question 2

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

Answer 2

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

Question 3

presenting symptoms of septic arthritis?

Answer 3

• Fever
• Acute swollen joint
• Restricted movement
• Warm to touch

Question 4

most important investigation for septic arthritis?

Answer 4

• Joint Aspiration

to check for organism

Question 5

what is kochers criteria?

Answer 5

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