Musculoskeletal

Question 1

Kocher criteria for septic arthritis

Answer 1

Temperature greater than 101.3
white blood cell count greater than 12
ESR greater than 40
inability to ambulate.

Question 2

Synovial fluid white blood cell count transients invite us versus septic arthritis

Answer 2

Septic arthritis greater than 50,000 

Question 3

Gustilo and Anderson classification of open fractures and recommended antibiotic regimen

Answer 3

First generation cephalosporin for all open fractures add gram-negative coverage with aminoglycoside for type two and three