Study guide: Lumbar/sacrum/coccyx Flashcards
What do you see on an AP L-Spine
intervertebral disk spaces
AP L-Spine
Cassette size?
14x17
AP L-Spine
SID?
48”
AP L-Spine
What is the patient position?
Supine, upright
AP L-Spine
What is the IR position for lumbosacral?
@level of iliac crest
AP L-Spine
What is the IR position for lumbar only?
@1.5” above the iliac crest
AP L-Spine
What is the Central Ray position for Lumbosacral?
@level of iliac crest
AP L-Spine
What is the Central Ray position for Lumbar only?
@1.5” above the iliac crest
For Ap L-Spine what is the breathing technique used?
Suspend at end of expiration
For AP L-Spine what is the collimation for Lumbosacral?
8x17
For AP L-Spine what is the collimation for Lumbar only?
8x14
For Lateral L-Spine what is being seen?
Intervertebral Foramina
For Lateral L-Spine what is the cassette size?
14x17
For Laeral L-Spine what is the SID?
40”
For Lateral L-Spine what is the patient position?
(lateral) upright/recumbent
For Lateral L-Spine what is the IR position for Lumbosacral?
@level of the iliac crest
For lateral L-Spine what is the IR position for Lumbar only?
1.5” above the iliac crest
For Lateral L-Spine what is the central ray position for Lumbosacral?
@ the level of the iliac crest
For Lateral L-Spine what is the central ray position for lumbar only?
1.5” above the iliac crest
For Lateral L-Spine what is the breathing technique used?
Suspend at the end of expiration
For Lateral L-Spine what is the collimation for Lumbosacral?
8x17
For Lateral L-Spine what is the collimation for Lumbar only?
8x14
For L5-S1 Lateral “Spot” what is the cassette size?
10x12
For L5-S1 Lateral “Spot” what is the SID?
40”
For L5-S1 Lateral “Spot” what is the patient position?
lateral recumbent
For L5-S1 Lateral “Spot” what is the IR Position?
center to Central ray
For L5-S1 Lateral “Spot” what is the Central Ray position?
center on coronal plane, 2” posterior to ASIS ad 1.5” below iliac crest
Use 5-8 degree caudal
For L5-S1 Lateral “Spot” what is the breathing technique used?
suspend
For L5-S1 Lateral “Spot” what is the collimation?
6x8
For l-spine AP Oblique (RPO/LPO) what is being seen?
zygapophyseal joints closest to the IR
For l-spine AP Oblique (RPO/LPO) what is the cassette size?
10x 12 or 14x17
For l-spine AP Oblique (RPO/LPO) what is the SID?
40”
For l-spine AP Oblique (RPO/LPO) what is the patient position?
recumbent upright with an 45 degree angle for the joints closest to the IR, or 60 degree angle to see L5-S1
For l-spine AP Oblique (RPO/LPO) What is the IR position?
center to central ray
For l-spine AP Oblique (RPO/LPO) what is the Central ray position?
2” medial to ASIS and 1.5” above iliac crest
For l-spine AP Oblique (RPO/LPO) what is the breathing technique used?
suspend at end of expiration
For l-spine AP Oblique (RPO/LPO) what is the collimation?
9x14
For L-spine PA Oblique (RAO/LAO) what is being seen?
zygapophyseal joints farthest from IR
For L-spine PA Oblique (RAO/LAO) what is the cassette size?
10x12 or 14x17
For L-spine PA Oblique (RAO/LAO) what is the SID?
40”
For L-spine PA Oblique (RAO/LAO) what is the patient position?
upright, recumbent with 45 degree angle to show joints farthest or 60 degree angle for L5-S1
For L-spine PA Oblique (RAO/LAO) what is the IR position?
center to central ray
For L-spine PA Oblique (RAO/LAO) what is the central ray position?
enter elevated side, 2” lateral to palpable spinous process and 1.5” above crest
For L-spine PA Oblique (RAO/LAO) what is the breathing technique used?
suspend at end of respiration
For L-spine PA Oblique (RAO/LAO) what is the collimation?
9x14
For L-spine AP/PA Axial “Ferguson Method” what is the cassette size?
10x12
For L-spine AP/PA Axial “Ferguson Method” what is the SID?
40”