Imaging Flashcards
ABCs of XRAY
A- alignment (fractures and dislocations distrupt alignment)
A- Adequacy (exposure and number of views)
B-Bone cortex (check for erosions, fractures, osteophytes)
C- Cartilage (cant really check cartilage on xray, so look at joint space)
Hill Sachs Deformity
A divit in the head of the humerus due to anterior dislocation.
SLAP Tear
Superior labrum anterior posterior Tear is due to overhead and throwing activities
ex. pitching
What is the SAIL sign
A displaced fat pad that, in adults, causes [radial fx]
Kids= [supracondylar fx]
When asked a question about what is fractured in SAILS sign, what do we need to take into consideration?
AGE!
Kids= supracondylar fx
Adults= radial fx
What imaging technique is best used for throwing injuries?
MRI
What happens if we fall on an outstretched hand?
Colles fracture or Smiths fx (if wrist is flexed)
Scaphoid bone is at risk for avascular necrosis
What is the difference between Smith and Colles fx?
In Smith, wrist is flexed
What does Colles fx look like
dinner fork deformity
T1 xrays are best for what?
anatomy
fat in bone is brightened
T2 xrays are best used for what
pathology
Suppressed fats and enhances fluid
What is carpal tunnel syndrome caused by
pregnancy arthritis lunate dislocation Dialysis repetitive use
What muscle can refer pain
iliopsoas m
Where does necrosis of the femur occur?
crest line on femur
What n is responsble for foot drop?
Common fibular n
bc resp for dorsiflexion
