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Radiographic Technique > OSCE Views > Flashcards

OSCE Views Flashcards

1
Q

What is the CP and CR position for AP shoulder?

A

2.5cm medial and inferior to coracoid process. Horizontal ray, perpendicular to IR

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2
Q

What routine shoulder views are performed

A

AP, Lateral Scapula, Axial. Grasheys supplementary

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3
Q

What is the CP and CR position for Lat Scap

A

Medial border of scapula midpoint. Horizontal ray, perpendicular to IR

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4
Q

What is the CP and CR position for Axial shoulder

A

Midline In the glenohumeral joint space. Vertical ray, perpendicular to IR or 5 degree caudal tube and IR angle

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5
Q

What exposures are used for AP shoulder

A

60 kVP, 4 mAs. Broad focus, non grid

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6
Q

What exposures are used for lateral scapula

A

73 kVp, 12 mAs. Broad focus with grid

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7
Q

What exposures for Axial shoulder

A

60 kVp, 6.3 mAs. Fine focus, non-grid

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8
Q

What positioning considerations are there for shoulder

A

AP - 5-15 degrees turn to affected side. Arm abducted and palm forward.
Lat/Scap - PA position 45-60 degrees so HH and medial border align. Hand on tummy and arm abducted.
Axial - arm bent at elbow. Raise chair to lean over from waist

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9
Q

How to assess rotation and angulation in AP shoulder

A

R: HH superimposes 1/3 of Glenn’s cavity. Greater tubercle in profile.
A: clavicle at T3/T4 level

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10
Q

How to assess rotation and angulation in Lateral scapula

A

R: lateral and medial borders of scapula superimposed, HH in Y.
A: foreshortening of scapula

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11
Q

How to assess rotation and angulation in Axial shoulder

A

R: lesser tubercle in profile
A: GH joint open. No angulation of humerus

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12
Q

What are the routine positions for Cervical spine views

A

AP, Lateral, peg. Swimmers supplementary

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13
Q

What is the CP and CR position for Lateral C-spine

A

Thyroid cartilage at C4 level. Horizontal ray, perpendicular to IR

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14
Q

What is the CP and CR position for AP C-spine

A

Thyroid cartilage at C4 level. Tube angle of 15 degrees cephalic

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15
Q

What is the CP and CR position for Peg view

A

Body of C2, in line with crease of mouth. Horizontal ray, perpendicular to detector

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16
Q

What exposures are used for lateral c-spine?

A

77 kVP, 15 mAs. Broad focus with grid. 180cm SID

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17
Q

What exposures for AP c-spine?

A

70 kVp, 6.3 mAs. Fine focus with grid

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18
Q

What exposures for peg view c-spine

A

70 kVp, 8 mAs. Fine focus with grid

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19
Q

Positioning considerations for c-spine

A

Lateral - 180cm SID. L side to IR. Breathe out to relax shoulders. Chin forward.
AP - chin up slightly
Peg - occiput and incisor in line. Open bottom jaw

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20
Q

How is rotation and angulation assessed in lateral c-spine

A

R: double borders, facet joints open
A: open disc spaces, no cupping
Mandible can show A and R

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21
Q

How is rotation and angulation assessed in AP c-spine

A

R: spinous processes central
A: open joint spaces

22
Q

How is rotation and angulation assessed in peg view

A

R: symmetry of joint spaces open. Lateral masses equidistant
A: occipital bone and incisors superimposed

23
Q

What routine views for T-spine

A

AP and Lateral. Swimmers supplementary

24
Q

What is the CP and CR position for AP T-spine

A

level of T7 midpoint between sternal notch and xiphysternum or inferior border of scapula. Horizontal ray, perpendicular to IR

25
What is the CP and CR of lateral T-spine
Level of T7. Inferior border of scapula. Horizontal ray, perpendicular to IR
26
What exposures for AP T-Spine
77 kVp, 16-20 mAs. Broad focus with grid
27
What exposures for Lateral T-Spine
73 kVp, 32-40 mAs. Broad focus with grid
28
What positioning considerations for T-Spine
Expose on arrested inspiration (breathe in) Arms up for lateral
29
How to assess rotation and angulation in AP T-spine
R: spinous processes central A: disc spaces open
30
How to assess angulation and rotation in lateral T-spine
R: ribs superimposed. Double borders. Facet joints open. A: cupping of vertebrae, open joint spaces
31
What is the CP and CR position for AP L-spine
Lower Costal margin at midline, level of L3. Horizontal ray, perpendicular to IR
32
What are the CP and CR position for lateral L-spine
Level of L3 at lower costal margin. Horizontal ray, perpendicular to IR
33
What are the routine views for Lumbar Spine
AP/PA, Lateral. L5/S1 supplementary
34
CP and CR of L5/S1 view
L5/S1 joint space. Hand width below lower costal margin, midline between ASIS and PSIS. Horizontal ray, perpendicular to IR
35
What exposures for AP L-spine
77 kVp, 15 mAs. Broad focus with grid
36
What exposures for Lateral L- Spine
81 kVp, 40 mAs. Broad focus with grid
37
What exposures for L5-S1 view
90 kVp, 40 mAs. Broad focus with grid
38
What positioning considerations for lumbar spine
AP and lateral require arrested expiration (breathe out). Arms raised for lateral views
39
How to assess rotation and angulation for AP L-Spine
R: spinous processes central. SI joints equidistant. A: disc spaces open.
40
How to assess rotation and angulation in lateral L-spine
R: double borders, ribs superimposed, facet joints open. Iliac crests superimposed A: no cupping, disc spaces open
41
What are routine hip views
AP pelvis and rolled or cross table lateral of affected hip
42
What is the CP and CR position of AP pelvis
Midline at 5cm below ASIS. Top of light at top of crests. Vertical ray, perpendicular to IR
43
CP and CR position for rolled lateral hip
5cm medial and inferior to ASIS at crease (femoral neck). Vertical ray, perpendicular to IR. Rotate LBD to line of femur
44
What exposures for AP pelvis
73 kVp, 16 mAs. Broad focus with grid
45
What exposures for rolled lateral hip
70 kVp, 16 mAs. Broad focus with grid
46
Positioning considerations for Pelvis/hip
Pigeon toes for AP pelvis. 45 degrees sponge for rolled lateral. Knee flexed on affected leg
47
How to assess rotation and angulation on AP pelvis
R: crests symmetrical. OF open. Greater trochanter in profile and comparable in size and shape. A: femoral necks demonstrated and not foreshortened. OF open and not elongated
48
How to assess rotation and angulation of rolled lateral hip
R: lesser trochanter in profile. A: acetabulum open, no foreshortening of femur
49
What lines can help identify pathology on spinal imaging
Anterior vertebral, posterior vertebral, spinolaminar, spinous process
50
What lines can help identify pathology on pelvis
Sacral arcuate, ilio-ishial (inlet), anterior and posterior acetabular wall, Shenton’s line

Radiographic Technique (3 decks)

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