Lumbars Flashcards
Where should the ID blocker be in all lumbar films?
up and away from anatomy
What are the breathing instructions with all lumbar views?
exhale and hold
Where should the CR be located in an AP lumbo-pelvic for a female?
1” BELOW crest
Where should the CR be located in an AP lumbo-pelvic for a male?
2” BELOW crest
What anatomy is included in an AP lumbo-pelvic view?
L1 through ischial tuberosities
Where is the gonad shield placed in a male?
top of shield just below pubic arch
1 1/2” below top of symphysis
Where is the gonad shield placed in a female?
- bottom of tip just superior to pubic symphysis
- widest part just medial and inferior to ASIS
Where is the CR directed in a lateral lumbar?
1” ABOVE crest on midaxillary line
about L3
What is the collimation for a lateral lumbar?
10x17
When is a filter needed?
if patient has hips larger than waist
==>filter down to crest
What is the film size for L5-S1 spot shot?
8x10
Where is the CR positioned?
2-3” below crest
1” posterior to midline
What is the collimation for L5-S1 spot shot?
8x10
What is the film size for an oblique lumbar?
10x12
Why is anterior preferred for obliques?
convexity is closer to film
