Procedures Spine Review

Question 1

Why do we utilize a 72” SID for lateral projection

Answer 1

Compensate for oid reduce mag

Question 2

What is preferred SID for XTable lateral projection

Answer 2

10ft

Question 3

What are 2 ways to move shoulders down for erect lat CSpine

Answer 3

Holding weights

Expiration

Question 4

Why do we tip chin up for AP CSpine

Answer 4

To superimpose mandible and base of skull to visualize C3-T1

Question 5

What landmarks are utilized for George projection

Answer 5

Thyroid Cartilage
Gonion
????????

Question 6

When do you perform a Fuch’s?

Answer 6

When your patient is perfectly positioned, but the tip of the teeth will not clear the dens to visualize the whole thing

Question 7

What is the main structural difference of C1 compared to all other vertebra

Answer 7

C1 does not have a body. Instead it is replaced by an arch of bone is located where the body is usually found

Question 8

What region of spine is demonstrated in Swimmers

Answer 8

C3-T3, Cervicothoracic region

Question 9

PP

Swimmers

Answer 9

pt recumbent
true lateral with no rotation of head/shoulders
entire spine // to table 
dependent arm up, under head
independent arm down at side

Question 10

On which projection is breathing technique used

Answer 10

Lateral TSpine

Question 11

What additional structure is foundon TSpine that is not found on any other vertebrae

Answer 11

Facets and Demi facets for rib articulation

Question 12

Why do we flex knees for AP LSS

Answer 12

Minimize lordotic curve

Question 13

Why do we place a lead strip behind the pt for the lateral projection

Answer 13

Minimize scatter

Question 14

Can-Shaped vertebra is caused by what positioning error on a lateral projection

Answer 14

Spine is not true lateral/parallel to table

Question 15

What are 2 parts of intervertebral discs

Answer 15

annulus fibrosis

nucleus pulposus

Question 16

intervertebral foramen are formed by what 2 specific parts

Answer 16

superior and inferior vertebral notches

Question 17

2 main parts of a typical vertebra

Answer 17

vertebral body

vertebral arch

Question 18

What is the difference in appearance of spinous processes of C,T,L spine

Answer 18

C-Bifid tips
T-pointy and more vertical
L-more blunt and larger

Question 19

Scoliosis

Answer 19

Abnormal lateral curvature of the spine

Question 20

Lordosis

Answer 20

Abnormal lordotic curvature of the lumbar spine

Increased concavity

Question 21

Kyphosis

Answer 21

abnormal thoracic curvature of thoracic spine

increased covexity

Question 22

Spondylolysis

Answer 22

breakdown of pars interarticularis

demoed on oblique LSS

Question 23

spondylolisthesis

Answer 23

Forward slippage of 1 vertebra on another

Usually occurs at L5-S1

Question 24

Spina Bifida

Answer 24

Failure of 2 lamina to unite causing an opening where the spinous process is usually found

Question 25

Jefferson's fx

Answer 25

Comminuted fx occurs as a result of axial loading anterior and posterior arches of C1 are fractured as skull slams into ring

Question 26

Hangman's fx

Answer 26

fx through pedicles of C2 with or without subluxation of C2-3 occurs when neck is extremely hyperextended dens is pressing posteriorly into brain stem

Question 27

Clay shoveler's fx

Answer 27

caused by hyperflexion of neck avulsion of spinous processes of C6,7, or T1 Best demoed on a lateral CSpine projection

Question 28

Go over positioning cards

Answer 28

and landmarks