infections of bone and joint

Question 1

two examples

Answer 1

osteomyelitis and septic arthritis

Question 2

osteomyelitis

Answer 2

bone infection, inflamation>necrosis.

Question 3

acute vs chronic osteom.

Answer 3

acute- healthy viable bone chronic- necrosis

Question 4

pathophys osteom.

Answer 4

hematogenous (bacteremia, slow flow), or contagious (vascular insufficiency, soft tissue origin)

Question 5

diagnosis of osteomyelitis

Answer 5

HX, inflam, decreased ROM, drainage, sinus tract, chronic wound. Image (MRI best), biopsy

Question 6

pathogens common for OM,

Answer 6

usually s aures, strep in neonate, mixed in DM

Question 7

special pathogens

Answer 7

salmonella (sickle cell), m tuberculosis (primary infection, hemat. spread), pasturella (cat), fungi (IV infection, immunosuppressed

Question 8

injection drug users and OM

Answer 8

skin/water/saliva contaminants. s aures/epi, sued, strep/anaerobes, yeast

Question 9

treat OM

Answer 9

bactericidal ABx, 6 weeks IV, decrease DM/nicotine/pressure, surgery: decried, revasc, amputate.

Question 10

septic arthritis path

Answer 10

hemat, direct, contagious

Question 11

septic arthritis pathogens

Answer 11

s aures, strep, gohnorea

Question 12

septic arthritis diag

Answer 12

only 50% have positive future!

Question 13

treat Septic A

Answer 13

s aures- oxucollin, NG- ceftriaxone