Infectious Arthritis

Question 0

Patients with sickle cell anemia are prone to joint infection by this organism

Answer 0

Salmonella

Question 1

Most prevalent cause of infectious arthritis

Answer 1

Staphylococcus aureus

Question 2

Classic organism associated with joint infection owing to contaminated needles in injection drug users

Answer 2

Pseudomonas

Question 3

Most common gram-negative joint infections are due to these organisms (2)

Answer 3

Escherichia coli and Pseudomonas aeruginosa

Question 4

Most common cause of mycobacterial arthritis

Answer 4

Mycobacterium tuberculosis

Question 5

Fever and polyarthritis in rheumatoid distribution in an adult, particularly after exposure to a sick child, should raise suspicion of this viral joint infection

Answer 5

Parvovirus B19

Question 6

Prosthetic joint infection that is acquired during implantation usually manifests during this period after surgery

Answer 6

3 months or less

Question 7

Indications for arthroscopic drainage or open surgical debridement for septic arthritis as opposed to daily needle aspiration (3)

Answer 7

Irregular joint space, loculated fluid, incomplete needle drainage