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postioning ch 8
radiographic positioning, femur and pelvis
Question | Answer |
---|---|
How much is the leg rotated for an AP Femur projection? | 5 degrees |
How much is the knee flexed for the lateral femur projection? | 45 degrees |
How are the legs rotated for an AP pelvis projection? | internally 15-20 degrees |
Where is the CR directed for an AP pelvis? | mid way between the level of the ASISs and Symphysis Pubis. |
How is the patient positioned for a AP bilateral frog leg projection? | Feet plantar surface together, with each femur abducted 40-45 degrees |
Where is the CR centered for a AP bilateral frog leg projection of the pelvis? | 3 inches below ASIS |
How is the patient laying for AP axial outlet projection of the Pelvis? | supine |
What is another name for the AP bilateral frog projection? | modified cleaves projection |
What is another name for the AP axial outlet projection of the pelvis? | Taylor Method |
How is the CR angled for the AP axial outlet projection of the pelvis? | 20-35 degrees cephalad for males and30-45 degrees for females |
Where is the CR centered for the AP axial outlet projection of the pelvis (taylor)? | 1-2 inches distal to the symphysis pubis |
How is the patient laying for an AP axial inlet projection of the pelvis? | supine |
How is the CR angled for the AP axial inlet projection of the pelvis? | 40 degrees caudad |
Where is the CR centered for the AP axial inlet projection of the pelvis? | Mid line point at level of ASIS |
What is another name for the posterior oblique pelvis projection of the acetabulum? | Judet method |
How is the patient positioned for the posterior oblique pelvis projection of the acetabulum? | Obliqued 45 degrees with affected side down |
Where is the CR centered for the posterior oblique pelvis projection of the acetabulum? | 2 inches distal and 2 inches medial to downside ASIS |
What is another name for the PA axial oblique projection of the acetabulum? | Teufel method |
How is the patient positioned for a PA axial oblique projection of the acetabulum? | 35-40 degree anterior oblique with affected side down |
Where is the CR centered for the PA axial oblique projection of the acetabulum (teufel method)? | 1 inch superior to the level of the greater trochanter, about 2 inches lateral to the midsagittal plane. |
How much is the CR angled for the teufel method? | 12 degrees cephalad |
How is the patient laying for the AP unilateral hip projection? | supine |
How much is the leg rotated for the AP unilateral hip projection? | 15-20 degrees internally |
Where is the CR centered for the AP unilateral hip projection? | 1-2 inches distal to the midfemoral neck |
What is another name for the Axiolateral inferosuperior hip projection? | Danelius- Miller Method |
How is the patient positioned for the axiolateral inferosuperior hip projection (danelius- miller)? | Supine with unaffected leg elevated and flexed, with affected leg rotated internally 15-20 degrees |
What is another name for the unilateral frog projection of the hip? | Modified Cleaves method |
What is another name for the modified axiolateral, possible trauma hip projection? | Clements- Nakayama method |
How is the patient laying for the modified axiolateral possible trauma hip projection (Clements- nakayama)? | supine |
Where is the cassette placed for the clements- nakayama projection? | tilted 15 degrees from horizontal, perpendicular to femoral neck |
Where is the CR positioned for the clements- nakayama projection? | mediolaterally to neck of femur, centered to femoral neck, angled posteriorly 15-20 degrees |
Where is the CR directed for the original cleaves method? | parallel to the long axis of femoral shaft |
How much is the CR angles for the original cleaves method? | 25-45 degrees cephalic |
Where do you center for the original cleaves method? | symphysis pubis |
How is the patient laying for the PA projection of the pubis? | prone |
Where do you center for the PA projection of the pubis? | level of the greater trochanter and midsagittal plane |