21 - Sacrum and Coccyx Flashcards
1
Q
Film size for AP sacrum
A
10 x 12” vertical
2
Q
tube tilt for AP sacrum
A
15° cephalic
- 2 inches below ASIS
3
Q
Shielding for AP sacrum
A
None!
4
Q
Breathing instructions for AP sacrum
A
exhale and hold
5
Q
Film size for lateral sacrum
A
10 x 12” vertical
6
Q
CR alignment for lateral sacrum
A
- horizontal = 3” below iliac crest
- vertical = 1” posterior to midaxillary plane (b/c sacrum is POST to rest of spine)
7
Q
shielding for lateral sacral
A
NONE!
8
Q
Pt Measurement for AP Coccyx
A
taking A-P at mid-pelvis
9
Q
Film size for AP coccyx
A
10 x 12” vertical
10
Q
Tube tilt for AP coccyx
A
10° caudal
- ONLY one that does not follow Doc’s rule
11
Q
CR alignment for AP coccyx
A
centered mid-pelvis
12
Q
Collimation for AP coccyx
A
4 x 4”
13
Q
Shielding for AP coccyx
A
none!
14
Q
Patient measurement for lateral coccyx
A
3” below iliac crest
15
Q
CR alignment for lateral coccyx
A
2” posterior to greater trochanter
