X-Ray Positioning: axial skeleton

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17 Terms

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AP lower cervical spine

SID: 40”

Air Gap: NO

Cassette Size: 10×12

Collimation: C2-T2

Tube tilt: 15* cephalad

Measure through: mid-neck

Central ray: thyroid cartilage (C4)

Breathing: suspend INSPIRATION

<p>SID: 40”</p><p>Air Gap: NO</p><p>Cassette Size: 10×12</p><p>Collimation: C2-T2</p><p>Tube tilt: 15* cephalad</p><p>Measure through: mid-neck</p><p>Central ray: thyroid cartilage (C4)</p><p style="text-align: left">Breathing: suspend INSPIRATION</p>

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AP open mouth

SID: 40”

Air Gap: NO

Cassette Size: 10×12

Collimation: excludes eyes and thyroid cartilage (light box just beneath orbital fissure, just above/around chin)

Tube tilt: N/A

Measure through: mid-neck

Central ray: centre of mouth

Breathing: suspend RESPIRATION

<p>SID: 40”</p><p>Air Gap: NO</p><p>Cassette Size: 10×12</p><p>Collimation: excludes eyes and thyroid cartilage (light box just beneath orbital fissure, just above/around chin)</p><p>Tube tilt: N/A</p><p>Measure through: mid-neck</p><p>Central ray: centre of mouth</p><p style="text-align: left">Breathing: suspend RESPIRATION </p>

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Lateral cervical view

SID: 72”

Air Gap: YES

Cassette Size: 10×12

Collimation: superior to C1, inferior to T1

Tube tilt: N/A

Measure through: C7 level

Central ray: C4 (thyroid)

Breathing: suspend EXPIRATION

<p>SID: 72”</p><p>Air Gap: YES</p><p>Cassette Size: 10×12</p><p>Collimation: superior to C1, inferior to T1</p><p>Tube tilt: N/A</p><p>Measure through: C7 level</p><p>Central ray: C4 (thyroid)</p><p style="text-align: left">Breathing: suspend EXPIRATION</p>

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Cervical stress views: FLEX

SID: 72”

Air Gap: YES

Cassette Size: 10×12

Collimation: less than film size

Tube tilt: N/A

Measure through: C7 level

Central ray: C4

Breathing: suspend RESPIRATION

*chin IN for FLEX

<p>SID: 72”</p><p>Air Gap: YES</p><p>Cassette Size: 10×12</p><p>Collimation: less than film size</p><p>Tube tilt: N/A</p><p>Measure through: C7 level</p><p>Central ray: C4</p><p style="text-align: left">Breathing: suspend RESPIRATION</p><p style="text-align: left">*chin IN for FLEX</p>

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Cervical stress views: EXT

SID: 72”

Air Gap: YES

Cassette Size: 10×12

Collimation: less than film size

Tube tilt: N/A

Measure through: C7 level

Central ray: C4

Breathing: suspend RESPIRATION

*chin OUT for EXT

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Cervical oblique views: Anterior

SID: 72”

Air Gap: YES

Cassette Size: 10×12

Collimation: less than film size

Tube tilt: 15* CAUDAL (down)

Measure through: C7 level

Central ray: C4

Breathing: suspend RESPIRATION

*AO = SAME sided IVF

*IVF = ASS POOP

*don’t forget to seat pt

<p>SID: 72”</p><p>Air Gap: YES</p><p>Cassette Size: 10×12</p><p>Collimation: less than film size</p><p>Tube tilt: 15* CAUDAL (down)</p><p>Measure through: C7 level</p><p>Central ray: C4</p><p style="text-align: left">Breathing: suspend RESPIRATION</p><p style="text-align: left">*AO = SAME sided IVF</p><p style="text-align: left">*IVF = ASS POOP</p><p style="text-align: left">*don’t forget to seat pt</p>

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Cervical oblique views: Posterior

SID: 72”

Air Gap: YES

Cassette Size: 10×12

Collimation: less than film size

Tube tilt: 15* CEPHALAD (up)

Measure through: C7 level

Central ray: C4

Breathing: suspend RESPIRATION

*PO = OPP sided IVF

*IVF = ASS POOP

*pt is standing

<p>SID: 72”</p><p>Air Gap: YES</p><p>Cassette Size: 10×12</p><p>Collimation: less than film size</p><p>Tube tilt: 15* CEPHALAD (up)</p><p>Measure through: C7 level</p><p>Central ray: C4</p><p style="text-align: left">Breathing: suspend RESPIRATION</p><p style="text-align: left">*PO = OPP sided IVF</p><p style="text-align: left">*IVF = ASS POOP</p><p style="text-align: left">*pt is standing</p>

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Swimmer’s lateral view (CT)

SID: 40”

Air Gap: NO

Cassette Size: 10×12

Collimation: <film size

Tube tilt: N/A

Measure through: C7/T1 + axilla (diagonal)

Central ray: C6

Breathing: suspend RESPIRATION

*arm near Bucky raised, depress opp. Shoulder

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AP thoracic view

SID: 40”

Air Gap: NO

Cassette Size: 14×17

Collimation: 8-10×17

Tube tilt: N/A

Measure through: mid-sternum

Central ray: top of light box level to C7/T1, top of cassette 1.5” above C7 SP

Breathing: suspend INSPIRATION

<p>SID: 40”</p><p>Air Gap: NO</p><p>Cassette Size: 14×17</p><p>Collimation: 8-10×17</p><p>Tube tilt: N/A</p><p>Measure through: mid-sternum</p><p>Central ray: top of light box level to C7/T1, top of cassette 1.5” above C7 SP</p><p style="text-align: left">Breathing: suspend INSPIRATION</p>

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Lateral thoracic view

SID: 40”

Air Gap: NO

Cassette Size: 14×17

Collimation: 8-10×17

Tube tilt: N/A

Measure through: axilla

Central ray: axilla, top of light box level to C7/T1, top of cassette 1.5” above C7 SP

Breathing: suspend INSPIRATION

*raise arms

<p>SID: 40”</p><p>Air Gap: NO</p><p>Cassette Size: 14×17</p><p>Collimation: 8-10×17</p><p>Tube tilt: N/A</p><p>Measure through: axilla</p><p>Central ray: axilla, top of light box level to C7/T1, top of cassette 1.5” above C7 SP</p><p style="text-align: left">Breathing: suspend INSPIRATION</p><p style="text-align: left">*raise arms</p>

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AP lumbar view

SID: 40”

Air Gap: NO

Cassette Size: 14×17

Collimation: 10×17

Tube tilt: N/A

Measure through: largest dimension of abdomen

Central ray: 1.5” above iliac crest

Breathing: suspend EXPIRATION

<p>SID: 40”</p><p>Air Gap: NO</p><p>Cassette Size: 14×17</p><p>Collimation: 10×17</p><p>Tube tilt: N/A</p><p>Measure through: largest dimension of abdomen</p><p>Central ray: 1.5” above iliac crest</p><p style="text-align: left">Breathing: suspend EXPIRATION</p>

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Lateral lumbar view

SID: 40”

Air Gap: NO

Cassette Size: 14×17

Collimation: 10×17

Tube tilt: N/A

Measure through: level of ASIS

Central ray: 1” above iliac crest

Breathing: suspend EXPIRATION

*raise arms

<p>SID: 40”</p><p>Air Gap: NO </p><p>Cassette Size: 14×17</p><p>Collimation: 10×17</p><p>Tube tilt: N/A</p><p>Measure through: level of ASIS</p><p>Central ray: 1” above iliac crest</p><p style="text-align: left">Breathing: suspend EXPIRATION</p><p style="text-align: left">*raise arms</p>

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Lumbar stress views: EXT

SID: 40”

Air Gap: NO

Cassette Size: 14×17

Collimation: 10×17

Tube tilt: N/A

Measure through: largest dimension of abdomen

Central ray: iliac crest

Breathing: suspend EXPIRATION

<p>SID: 40”</p><p>Air Gap: NO</p><p>Cassette Size: 14×17</p><p>Collimation: 10×17</p><p>Tube tilt: N/A</p><p>Measure through: largest dimension of abdomen</p><p>Central ray: iliac crest</p><p style="text-align: left">Breathing: suspend EXPIRATION</p>

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Lumbar stress views: FLEX

SID: 40”

Air Gap: NO

Cassette Size: 14×17

Collimation: 10×17

Tube tilt: N/A

Measure through: largest dimension of abdomen

Central ray: iliac crest

Breathing: suspend EXPIRATION

*hip hinge

*turn collimator the way that pt is moving

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Lumbar oblique view

SID: 40”

Air Gap: NO

Cassette Size: 14×17

Collimation: <film

Tube tilt: N/A

Measure through: iliac crest, 45*

Central ray: 1” above iliac crest

Breathing: Suspend EXPIRATION

*POST = same-sided pars (spine closer to Bucky)

*ANT = opposite sided pars

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Lateral lumbosacral spot view

SID: 40”

Air Gap: NO

Cassette Size: 10×12

Collimation: 5×5” (tight to L5/S1)

Tube tilt: N/A

Measure through: L5/S1

Central ray: 1” below iliac crest + a little posterior

Breathing: suspend RESPIRATION

*raise arms

<p>SID: 40”</p><p>Air Gap: NO</p><p>Cassette Size: 10×12</p><p>Collimation: 5×5” (tight to L5/S1)</p><p>Tube tilt: N/A</p><p>Measure through: L5/S1</p><p>Central ray: 1” below iliac crest + a little posterior</p><p style="text-align: left">Breathing: suspend RESPIRATION</p><p style="text-align: left">*raise arms</p>

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AP / Axial lumosacral spot view

SID: 36”

Air Gap: NO

Cassette Size: 10×12 (horizontal)

Collimation: <film

Tube tilt: 25* CEPHALAD (up)

Measure through: iliac crest

Central ray: 1” below ASIS

Breathing: Suspend RESPIRATION

<p>SID: 36”</p><p>Air Gap: NO </p><p>Cassette Size: 10×12 (<strong>horizontal</strong>)</p><p>Collimation: <film</p><p>Tube tilt: 25* CEPHALAD (up)</p><p>Measure through: iliac crest</p><p>Central ray: 1” below ASIS</p><p style="text-align: left">Breathing: Suspend RESPIRATION</p>