Procedures Spine Review Flashcards

1
Q

Why do we utilize a 72” SID for lateral projection

A

Compensate for oid reduce mag

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2
Q

What is preferred SID for XTable lateral projection

A

10ft

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3
Q

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

A

Holding weights

Expiration

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4
Q

Why do we tip chin up for AP CSpine

A

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

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5
Q

What landmarks are utilized for George projection

A

Thyroid Cartilage
Gonion
????????

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6
Q

When do you perform a Fuch’s?

A

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

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7
Q

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

A

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

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8
Q

What region of spine is demonstrated in Swimmers

A

C3-T3, Cervicothoracic region

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9
Q

PP

Swimmers

A
pt recumbent
true lateral with no rotation of head/shoulders
entire spine // to table 
dependent arm up, under head
independent arm down at side
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10
Q

On which projection is breathing technique used

A

Lateral TSpine

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11
Q

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

A

Facets and Demi facets for rib articulation

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12
Q

Why do we flex knees for AP LSS

A

Minimize lordotic curve

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13
Q

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

A

Minimize scatter

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14
Q

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

A

Spine is not true lateral/parallel to table

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15
Q

What are 2 parts of intervertebral discs

A

annulus fibrosis

nucleus pulposus

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16
Q

intervertebral foramen are formed by what 2 specific parts

A

superior and inferior vertebral notches

17
Q

2 main parts of a typical vertebra

A

vertebral body

vertebral arch

18
Q

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

A

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

19
Q

Scoliosis

A

Abnormal lateral curvature of the spine

20
Q

Lordosis

A

Abnormal lordotic curvature of the lumbar spine

Increased concavity

21
Q

Kyphosis

A

abnormal thoracic curvature of thoracic spine

increased covexity

22
Q

Spondylolysis

A

breakdown of pars interarticularis

demoed on oblique LSS

23
Q

spondylolisthesis

A

Forward slippage of 1 vertebra on another

Usually occurs at L5-S1

24
Q

Spina Bifida

A

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

25
Q

Jefferson’s fx

A

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

26
Q

Hangman’s fx

A

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

27
Q

Clay shoveler’s fx

A

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

28
Q

Go over positioning cards

A

and landmarks