May4 M4-Bone Joint Infections

Question 1

(EXAM) most common pathogen of hematogenous osteomyelitis in children OVER 4 years of age and adults

Answer 1

staph aureus

Question 2

(EXAM) most common pathogen of hematogenous osteomyelitis in neonates

Answer 2

• GBS (strep agalactiae)

- E.coli (maternal stool)

Question 3

(EXAM) most common pathogen of hematogenous osteomyelitis in children UNDER 4

Answer 3

kingella kingae

Question 4

(EXAM) most common pathogen of hematogenous osteomyelitis in patients with sickle cell anemia

Answer 4

staph aureus

Question 5

(EXAM) if you see a patient with hematogenous osteomyelitis with salmonella as the pathogen, what to worry about

Answer 5

patient may have sickle cell anemia (bc sickle cell patients get more salmonella)

Question 6

2 types of causes of septic arthritis and characteristic of the infection

Answer 6

1. hematogenous: mono-microbial infection

2. contiguous: poly-microbial infection

Question 7

(EXAM) most common pathogens of a hematogenous, mono-microbial septic arthritis

Answer 7

• Staph aureus

- Neisseria gonorrhea (if sexually active)

Question 8

(EXAM) Abx for staph aureus

Answer 8

cloxacilin or vancomycin

Question 9

(EXAM) Abx for Neisseria gonorrhea

Answer 9

ceftriaxone (3rd gen cephalo)

Question 10

2 types of causes of prosthetic joint infections

Answer 10

1. hematogenous

2. contiguous

Question 11

(EXAM) most common cause of hematogenous prosthetic joint infection

Answer 11

staph aureus

Question 12

(EXAM) most common cause of contiguous prosthetic joint infection

Answer 12

staph mix (coag+ and coag-)