TERMS

Question 1

infection of bone and any of its components

periosteum
bacterial OR:
-viral, fungal, parasitic

Answer 1

osteomyelitis

Question 2

infection in bloodstream that allows for access to bone

acute or chronic

children or elderly

• affects tibia and fibula of children***
• vertebra of the elderly***

Answer 2

hematogenous OM

Question 3

infectious pathogen accesses bone secondary to a nearby localized infectious source from trauma, perforation or surgery

polymicrobial in the DM, immunocompromised

puncture wound through a shoe:pseudomonas

Answer 3

Direct Extension Osteomyelitis

Question 4

little/no symptoms, possibly bone tenderness

slow progression

S.aureus

imaging: Brodies Abscess
- lytic lesion

Answer 4

subacute osteomyelitis

Question 5

island of necrotic dead bone?

Answer 5

sequestrum

Question 6

thick shell of periosteal new bone around the sequestrum

Answer 6

involucrum

Question 7

opening in the involucrum where purulent, necrotic, dead bone is extruded; a draining sinus tract

Answer 7

cloaca

Question 8

presence of bacteria in the blood

Answer 8

bacteremia

Question 9

when SIRS is caused by infection

Answer 9

sepsis

Question 10

sepsis with end organ dysfunction or hypoperfusion as manifested by oligura, lactic acidosis, AMS

Answer 10

severe sepsis

Question 11

a severe sepsis with hypotension despite adequate fluid resuscitation

Answer 11

septic shock