18 - AP thoracic Flashcards
1
Q
Film/cassette size for AP thoracic
A
14 x 17” vertical ID blocker DOWN
- top of cassette is 1.5” ABOVE VP
2
Q
Collimation for AP thoracic
A
7 x 17”
3
Q
CR alignment for AP thoracic
A
IR is set to bodypart, and then CR is set to IR
- thus CR is aligned tocenter of film
4
Q
filtration for AP thoracic
A
Top to bottom
- stop filtering at cross hairs of CR
5
Q
image criteria of AP thoracic
A
- spine center of image
- T1 – T 12
- spinous is aligned with midline of vertebral body
- distance between vertebral column 2 and of clavicles is equal
- distance from pedicles to spinous processes equal on both sides
6
Q
Breathing for AP thoracic
A
inhale and hold
7
Q
How is AP thoracic in CHC differ?
A
- Uses a 7 x 17” cassette
- ID blocker is down