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Film Critique Final
Terms in this set (18)
Determining Rotation AP C-spine
- mandibular angles/mastoid tips have equal distance from spinal column
- spinous processes must be in midline
- pedicles symmetrical to vertebral bodies
- SC joint ends equal distances from vertebral column
What happens to the joint spaces on an AP C-spine if the angle isn't correct?
If no joint spaces aren't see it means not enough angle, pedicles are seen in disk spaces when correct angle is used
AP C-spine oblique show foramen and pedicles (closest or farthest) from film?
PA C-spine obliques show foramen and pedicles (closest or farthest) from film?
AP L-spine obliques show which zygapophyseal joints (closer or farthest) from IR?
closer (side down)
PA L-spine obliques show which zygapophyseal joints (closer or farthest) from IR?
farthest (side up)
For a patient in a RPO or LPO position for AP L-spine oblique which side is demonstrating the joint spaces open?
side down, closer to IR
For a patient in a RAO or LAO position for PA L-spine oblique which side is demonstrating the joint spaces open?
side up, farthest from IR
For C-spine which views are done at 72"?
Lateral, Flexion and Extension, Obliques
For C-spine which views are done at 40"?
Using SC joints, where should they be placed on AP C-spine and AP T-spine?
SC joints should be equal distance from vertebral column, not in lung field
Differentiate between Rotation and Scoliosis.
draw imaginary line from top of spine to bottom, if line matches up at top and bottom it's scoliosis, if it doesn't match it's rotation
lateral bending in middle
Ways to detect rotation in L-spine.
tip of coccyx should line up with pubic symphysis
obturator foramens unequal size
ischial spine is closer to acetabulum
What is the best method the detect lateral T-spine rotation?
if there is more than 1/2" between posterior ribs
What are two ways to open up disk spaces on L-spine
flex knees, use of expiration
Where are the pedicles placed in the Scotty dog?
For lateral L-spine what anatomy should all be aligned?
crest, femoral heads, sciatic notch
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