Procedures Cr Placement Review 2

Front 1

What is the CR placement for a radiograph of the Tib-Fib?

Back 1

CR is perpendicular to IR directed to midpoint of leg

Front 2

What is the CR placement for an AP radiograph of the Knee?

Back 2

CR is parallel to tibial plateau; for average size patients CR is perpendicular to IR and directed to a point 1/2" distal to apex of patella

Front 3

What is the CR placement for an Lateral radiograph of the Knee?

Back 3

CR is 5-7 degrees cephalad directed to a point 1" distal to medial epicondyle

Front 4

What is the CR placement for a radiograph of the Intercondylar Fossa?

Back 4

CR is perpendicular to the lower leg and directed to midpopliteal crease

Front 5

What is the CR placement for an AP radiograph of the Patella?

Back 5

CR is perpendicular directed to midpatella area (which is usually the midpopliteal crease)

Front 6

What is the CR placement for a Lateral radiograph of the Patella?

Back 6

CR is perpendicular directed to the midpatellofemoral joint

Front 7

What is the CR placement for a Tangential (Axial or Sunrise/Skyline) radiograph of the Patella?

Back 7

CR is approx. 15-20 degrees from long axis of lower leg directed to midpatellofemoral joint

Front 8

What is the CR placement for a radiograph of the Distal Femur?

Back 8

CR is perpendicular to femur and IR, directed to midpoint of IR

Front 9

What is the CR placement for an AP radiograph of the Pelvis?

Back 9

CR is perpendicular to IR, directed midway between level of ASISs and the symphysis pubis

Front 10

What is the CR placement for a Bilateral "Frogleg" radiograph of the Pelvis?

Back 10

CR is perpendicular to IR, directed to a point 3" below level of ASIS

Front 11

What is the CR placement for an AP Axial "Outlet" radiograph of the Pelvis?

Back 11

CR is angled cephalad 20-35 degress for males and 30-45 degrees for females, directed to a midline point 1 to 2" didtal to the superior border of the symphysis pubis or greater trochanters

Front 12

What is the CR placement for an AP Axial "Inlet" radiograph of the Pelvis?

Back 12

CR is 40 degrees caudad, directed to midline point at level of ASISs

Front 13

What is the CR placement for a radiograph of the Acetabulum (Judet Method)?

Back 13

*Downside* CR is perpendicular and centered 2" distal and 2" medial to downside ASIS
*Upside* CR is perpendicular and centered to 2" directly distal to upside ASIS

Front 14

What is the CR placement for an AP radiograph of the Hip?

Back 14

CR is perpendicular to IR, directed 1 to 2 " distal to midfemoral neck. (Femoral neck can be located about 1 to 2" medial and 3 to 4" distal to ASIS)

Front 15

What is the CR placement for a "Frog-leg" radiograph of the Hip?

Back 15

CR is perpendicular to IR, directed to midfemoral neck

Front 16

What is the CR placement for a Cross Table radiograph of the Hip?

Back 16

CR is perpendicular to IR and femoral neck

Front 17

What is the CR placement for an AP Axial radiograph of the Sacroiliac Joints?

Back 17

CR is 30-45 degrees cephalad, directed to a midline point about 2" below level of ASIS

Front 18

What is the CR placement for an Oblique radiograph of the Sacroiliac Joints?

Back 18

CR is perpendicular, directed to a point 1" medial to upside ASIS

Front 19

What is the CR placement for a Lateral radiograph of the Cervical Spine?

Back 19

CR is perpendicular to IR, directed horizontally to C-4

Front 20

What is the CR placement for an AP radiograph of the Cervical Spine?

Back 20

CR angled 15 to 20 degrees cephalad, to enter at the level of the lower margin of thyroid cartilage to pass through C-4

Front 21

What is the CR placement for a radiograph of the Dens(Odontoid Process)?

Back 21

CR is perpendicular to IR, directed through center of open mouth

Front 22

What is the CR placement for a Posterior Oblique radiograph of the Cervical Spine? RPO/LPO

Back 22

CR is angled 15-20 degrees cephalad, directed to C-4 (level of lower thyroid cartilage)

Front 23

What is the CR placement for a Swimmers radiograph of the Cervicothoacic Spine?

Back 23

CR is perpendicular to IR, centered to T-1, which is appox. 1" above level of jugular notch anteriorly and at level of vertebr prominens posteriorly

Front 24

What is the CR placement for a Hyperflexion and Hyperextenion radiograph of the Cervical Spine?

Back 24

CR is perpendicular, directed to C-4

Front 25

What is the CR placement for an AP radiograph of the Thoracic Spine?

Back 25

CR is perpendicular to T-7, which is 3 to 4" below jugular notch, or 1 to 2" below sternal angle

Front 26

What is the CR placement for a Lateral radiograph of the Thoracic Spine?

Back 26

CR is perpendicular to long axis of thoracic spine, centered to T-7; which is 3 to 4" below jugular notch or 7 to 8" below the vertebral prominens

Front 27

What is the CR placement for an AP radiograph of the Lumbar Spine?

Back 27

For a smaller IR, CR is perpendicular, centered to level of L-3 (1 1/2" above iliac crest)
For Larger IR, CR is perpendicular centered to level of iliac crest

Front 28

What is the CR placement for a Lateral radiograph of the Lumbar Spine?

Back 28

For a smaller IR, CR is perpendicular centered to long axis of spine, centered to level of L-3 (1 1/2" above iliac crest)
For Larger IR, CR is perpendicular centered to long axis of spine

Front 29

What is the CR placement for an AP radiograph of the Lumbar Spine?

Back 29

For a smaller IR, CR is perpendicular, centered to level of L-3 (1 1/2" above iliac crest)
For Larger IR, CR is perpendicular centered to level of iliac crest

Front 30

What is the CR placement for a Lateral radiograph of the Lumbar Spine?

Back 30

For a smaller IR, CR is perpendicular centered to long axis of spine, centered to level of L-3 (1 1/2" above iliac crest)
For Larger IR, CR is perpendicular centered to long axis of spine

Front 31

What is the CR placement for an Oblique radiograph of the Lumbar Spine?

Back 31

CR is perpendicular to IR, centered to L-3 at the level of the lower costal margin above iliac crest and 2" medial to upside ASIS

Front 32

What is the CR placement for an AP Axial L5-S1 Spot radiograph of the Lumbar Spine?

Back 32

CR is angled cephalad 30 degrees for males and 35 degrees for females, CR should enter at the level of the ASIS

Front 33

What is the CR placement for a Lateral L5-S1 Spot radiograph of the Lumbar Spine?

Back 33

CR is perpendicular to IR with suffient waist support, or anled 5-10 degrees caudad with less support, CR centered 1 1/2" inferior to iliac crest and 2" posterior to ASIS

Front 34

What is the CR placement for an AP Axial Sacrum radiograph?

Back 34

CR is angled 15 degrees cephalic, centered 2" below the ASIS

Front 35

What is the CR placement for an AP Axial Coccyx radiograph?

Back 35

CR is angled 10 degrees caudal, centered 2" below the ASIS

Front 36

What is the CR placement for a Lateral Sacrum radiograph?

Back 36

CR is perpendicular to IR, center CR 3 to 4" posterior to ASIS

Front 37

What is the CR placement for a Lateral Coccyx radiograph?

Back 37

CR is perpendicular to IR, center CR 3 to 4" posterior and 2" distal to ASIS

Front 38

What is the CR placement for a RAO radiograph of the Sternum?

Back 38

CR is perpendicular to IR, directed to center of sternum (to left of midline and midway between the jugular notch and xiphoid process)

Front 39

What is the CR placement for a Lateral radiograph of the Sternum?

Back 39

CR is perpendicular to IR, directed to center of sternum (to left of midline and midway between the jugular notch and xiphoid process)