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:] > Spine positions and CR > Flashcards

Spine positions and CR Flashcards

1
Q

what is the CR of an AP open mouth?

A

mid mouth

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2
Q

what 2 structures need to be superimposed to showcase a correct AP open mouth?

A

base of the skull and maxilla/upper incisors

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3
Q

what anatomy must be shown on an AP open mouth?

A
  • odontoid process
  • vertebral body of C2
  • lateral masses of C2
  • traverse process of C2
  • C1-C2 atlantoaxial joints
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4
Q

what is the CR of an AP axial cervical spine?

A

C4 (thyroid/hyoid bone) with a tube angle of 10-15 degrees cephalad

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5
Q

what anatomy must be shown for an AP axial cervical spine?

A

C3-T2 vertebral bodies and intervertebral joints

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6
Q

what is the CR of an oblique cervical spine?

A

C4 with a tube angle of 10-15 degrees cephalad

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7
Q

what anatomy must be demonstrated in an oblique cervical spine?

A

intervertebral foramina open and pedicles

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8
Q

what is the CR of a lateral cervical spine?

A
  • C4
  • SID of 72 inches
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9
Q

what anatomy must be demonstrated in a lateral cervical spine?

A

C1-C7 intervertebral joint spaces and vertebral bodies demonstrated

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10
Q

why do we need to lift the chin up when positioning for a lateral c-spine?

A

to remove any superimposition between the mandible and C1-C2

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11
Q

what is the CR of a Swimmer’s view?

A

T1/1 inch above jugular notch
- SID of 72 inches

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12
Q

what anatomy is demonstrated in the Swimmer’s View?

A

vertebral bodies and intervertebral disk spaces from C5-T3

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13
Q

what is the CR for an AP thoracic spine?

A
  • T7
  • 3-4 inches below jugular notch
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14
Q

what anatomy is demonstrated in an AP thoracic spine?

A
  • 12 thoracic bodies
  • intervertebral joint spaces
  • spinous and transverse processes
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15
Q

what is the CR for a lateral thoracic spine?

A
  • T7
  • 3-4 inches below the jugular notch
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16
Q

what anatomy is demonstrated in a lateral thoracic spine?

A
  • 12 thoracic bodies
  • intervertebral joint spaces open
  • spinous and transverse processes
17
Q

what is the CR for an AP lumbar spine?

A
  • L3
  • 1.5 inches above iliac crest
18
Q

what anatomy must be demonstrated in an AP lumbar spine?

A
  • T12-S1
  • bodies
  • intervertebral joints open
  • spinous/transverse process
  • SI joints
  • sacrum
19
Q

what is the CR for an oblique lumbar spine?

A
  • L3
  • 1-2 inches above iliac crest and 2 inches medial upside ASIS
20
Q

what anatomy is demonstrated in an oblique lumbar spine?

A
  • LPO/RPO = L1-L4 downside zygapophyseal joints. Scottie dog visible
  • LAO/RAO = L1-L4 upside zygapophyseal joints. Scottie dog visible
21
Q

what is the CR of a lateral lumbar spine?

A
  • L3
  • 1.5 inch above the iliac crest
22
Q

what anatomy is demonstrated in the lateral lumbar spine?

A
  • L1-L4 bodies
  • intervertebral joint spaces open
  • foramina and spinous process
23
Q

what is the CR for a spot/L5-S1 lumbar spine?

A
  • 1.5 inches inferior to the iliac crest
  • 2 inches posterior to ASIS
24
Q

what anatomy is demonstrated in the spot/L5-S1 lumbar spine?

A
  • open L5-S1 bodies
  • intervertebral joint spaces open
  • foramina/spinous process
25
Q

what is the CR of the AP Axial sacrum?

A
  • mid sacrum
  • 2 inches above the symphysis pubis
  • tube angle of 15 degree cephalic
26
Q

what anatomy is demonstrated in the AP axial sacrum?

A
  • non foreshortened image of the sacrum
27
Q

what is the CR of the AP axial coccyx?

A
  • tube angle of 10 degrees caudal
  • 2 inches superior to the symphysis pubis
28
Q

what anatomy is demonstrated in the AP axial coccyx?

A

non foreshortened image of the coccyx

29
Q

what is the CR to the lateral sacrum and coccyx?

A

3-4 inches posterior to the upside ASIS

30
Q

what anatomy is demonstrated in the lateral sacrum and coccyx?

A

lateral view of L5-S1 intervertebral joint

31
Q

what is the CR to an AP axial SI joint?

A
  • 2 inches below the ASIS
  • tube angle of 30 degrees (male)/35 degrees (female) cephalic
32
Q

what is the CR to an oblique SI joint?

A

1 inch medial to the ASIS

33
Q

what anatomy is demonstrated in the oblique axial SI joint?

A

open upside SI joint

:] (89 decks)

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