Thoracic Spine Projections Flashcards

1
Q

For All T-spine projections what is the cassette size?

A

14x17

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2
Q

For All T-spine projections what is the SID?

A

40”

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3
Q

For All T-spine projections what is the collimation?

A

7x17

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4
Q

For t-spine AP Projection (intervertebral disk spaces) what is the IR?

A

upper border of IR 1.5-2” above shoulders (Center T7)

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5
Q

For t-spine AP Projection (intervertebral disk spaces) what is the CR?

A

perpendicular to IR halfway between jugular notch and xiphoid process (nipple line)

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6
Q

For t-spine AP Projection (intervertebral disk spaces) what is the breathing instructions?

A

suspend at end of full expiration

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7
Q

For t-spine AP Projection (intervertebral disk spaces) what is the criteria to be met?

A

all 12 tspine
vertebral column aligned
no rotation spinous processes centered

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8
Q

For t-spine Lateral Projection (intervertebral Foramina) what is the IR?

A

upper border of IR 1.5-2” above shoulders

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9
Q

For t-spine Lateral Projection (intervertebral Foramina) what is the CR?

A

perpendicular to IR @ level of T7

female: CR angle 10 degree cephalic angle
male: CR angle 15 degree cephalic angle

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10
Q

For t-spine Lateral Projection (intervertebral Foramina) what is the breathing instructions?

A

breath normally

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11
Q

For t-spine Lateral Projection (intervertebral Foramina) what is the what is the criteria to be met?

A

12 tspine T1-T3 not seen well
Ribs superimposed
open intervertebral disk spaces
vertebrae seen through rib/luung shadows

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