AP sacrum/coccyx

Question 1

What are the 5 views of this anatomical area

Answer 1

AP sacrum
Lateral sacrum
AP coccyx
Lateral coccyx
Oblique SI joint

Question 2

which views are done at 80 kVp

Answer 2

AP sacrum
AP coccyx
Oblique SI

Question 3

which views are done at 90 kVp

Answer 3

Lateral sacrum

Lateral coccyx

Question 4

what is the tube tilt in AP sacrum

Answer 4

15 degrees cephalad

Question 5

what is the tube tilt in AP coccyx

Answer 5

10 degrees caudad

Question 6

what is the FFD for all views minus AP sacrum/coccyx

Answer 6

40 inches

Question 7

what is the FFD in AP sacrum

Answer 7

37 inches

Question 8

what is the FFD in AP coccyx

Answer 8

38 inches

Question 9

do all views need grid

Answer 9

YES

Question 10

what is the film size in all views

Answer 10

10 x 12

Question 11

what is the collimation in AP/lateral sacrum

Answer 11

8 x 12

Question 12

what is the collimation in AP coccyx

Answer 12

6 x 8

Question 13

what is the collimation in lateral coccyx

Answer 13

4 x 6

Question 14

central ray Midline & 2” above the pubis symphysis

Answer 14

AP Sacrum

Question 15

central ray 3-4” posterior to ASIS at the level of the ASIS

Answer 15

Lateral Sacrum

Question 16

central ray Midline & 2” above the pubis symphysis

Answer 16

AP Coccyx

Question 17

central ray 3-4” posterior & 2” distal to the ASIS

Answer 17

Lateral Coccyx

Question 18

central ray level of the ASIS on the upside

Answer 18

Oblique SI Joint

Question 19

Pt elevates knees, suspend breathing, can be done PA , pt should empty bowel prior

Answer 19

AP Sacrum

Question 20

Pt in lateral position, suspend breathing, tight collimation to reduce scatter

Answer 20

Lateral Sacrum

Question 21

Pt elevates knees, suspend breathing, can be done PA

Answer 21

AP Coccyx

Question 22

Pt in lateral position, suspend breathing, can be combined w/ lateral sacrum

Answer 22

Lateral Coccyx

Question 23

Oblique patient at 25°, set up as a right posterior oblique, you will see the left SIJ (you will see whatever joint is furthest from the film), the upside is labeled

Answer 23

Oblique SI Joint