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Glossary of Procedures CR Placement Review 2

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What is the CR placement for a radiograph of the Tib-Fib?
CR is perpendicular to IR directed to midpoint of leg
What is the CR placement for an AP radiograph of the Knee?
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
What is the CR placement for an Lateral radiograph of the Knee?
CR is 5-7 degrees cephalad directed to a point 1" distal to medial epicondyle
What is the CR placement for a radiograph of the Intercondylar Fossa?
CR is perpendicular to the lower leg and directed to midpopliteal crease
What is the CR placement for an AP radiograph of the Patella?
CR is perpendicular directed to midpatella area (which is usually the midpopliteal crease)
What is the CR placement for a Lateral radiograph of the Patella?
CR is perpendicular directed to the midpatellofemoral joint
What is the CR placement for a Tangential (Axial or Sunrise/Skyline) radiograph of the Patella?
CR is approx. 15-20 degrees from long axis of lower leg directed to midpatellofemoral joint
What is the CR placement for a radiograph of the Distal Femur?
CR is perpendicular to femur and IR, directed to midpoint of IR
What is the CR placement for an AP radiograph of the Pelvis?
CR is perpendicular to IR, directed midway between level of ASISs and the symphysis pubis
What is the CR placement for a Bilateral "Frogleg" radiograph of the Pelvis?
CR is perpendicular to IR, directed to a point 3" below level of ASIS
What is the CR placement for an AP Axial "Outlet" radiograph of the Pelvis?
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
What is the CR placement for an AP Axial "Inlet" radiograph of the Pelvis?
CR is 40 degrees caudad, directed to midline point at level of ASISs
What is the CR placement for a radiograph of the Acetabulum (Judet Method)?
*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
What is the CR placement for an AP radiograph of the Hip?
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)
What is the CR placement for a "Frog-leg" radiograph of the Hip?
CR is perpendicular to IR, directed to midfemoral neck
What is the CR placement for a Cross Table radiograph of the Hip?
CR is perpendicular to IR and femoral neck
What is the CR placement for an AP Axial radiograph of the Sacroiliac Joints?
CR is 30-45 degrees cephalad, directed to a midline point about 2" below level of ASIS
What is the CR placement for an Oblique radiograph of the Sacroiliac Joints?
CR is perpendicular, directed to a point 1" medial to upside ASIS
What is the CR placement for a Lateral radiograph of the Cervical Spine?
CR is perpendicular to IR, directed horizontally to C-4
What is the CR placement for an AP radiograph of the Cervical Spine?
CR angled 15 to 20 degrees cephalad, to enter at the level of the lower margin of thyroid cartilage to pass through C-4
What is the CR placement for a radiograph of the Dens(Odontoid Process)?
CR is perpendicular to IR, directed through center of open mouth
What is the CR placement for a Posterior Oblique radiograph of the Cervical Spine? RPO/LPO
CR is angled 15-20 degrees cephalad, directed to C-4 (level of lower thyroid cartilage)
What is the CR placement for a Swimmers radiograph of the Cervicothoacic Spine?
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
What is the CR placement for a Hyperflexion and Hyperextenion radiograph of the Cervical Spine?
CR is perpendicular, directed to C-4
What is the CR placement for an AP radiograph of the Thoracic Spine?
CR is perpendicular to T-7, which is 3 to 4" below jugular notch, or 1 to 2" below sternal angle
What is the CR placement for a Lateral radiograph of the Thoracic Spine?
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
What is the CR placement for an AP radiograph of the Lumbar Spine?
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
What is the CR placement for a Lateral radiograph of the Lumbar Spine?
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
What is the CR placement for an Oblique radiograph of the Lumbar Spine?
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
What is the CR placement for an AP Axial L5-S1 Spot radiograph of the Lumbar Spine?
CR is angled cephalad 30 degrees for males and 35 degrees for females, CR should enter at the level of the ASIS
What is the CR placement for a Lateral L5-S1 Spot radiograph of the Lumbar Spine?
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
What is the CR placement for an AP Axial Sacrum radiograph?
CR is angled 15 degrees cephalic, centered 2" below the ASIS
What is the CR placement for an AP Axial Coccyx radiograph?
CR is angled 10 degrees caudal, centered 2" below the ASIS
What is the CR placement for a Lateral Sacrum radiograph?
CR is perpendicular to IR, center CR 3 to 4" posterior to ASIS
What is the CR placement for a Lateral Coccyx radiograph?
CR is perpendicular to IR, center CR 3 to 4" posterior and 2" distal to ASIS
What is the CR placement for a RAO radiograph of the Sternum?
CR is perpendicular to IR, directed to center of sternum (to left of midline and midway between the jugular notch and xiphoid process)
What is the CR placement for a Lateral radiograph of the Sternum?
CR is perpendicular to IR, directed to center of sternum (to left of midline and midway between the jugular notch and xiphoid process)

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