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Lumbar,sacrum &coccy
Lower spine
| Question | Answer |
|---|---|
| What is another term for sacrum horns? | Cornu |
| What what is the classification and mobility type for zygapophyseal joints? | Classification-synovial Mobility type-diarthrodial |
| what corresponds with the lower costal margin? | L2-3 |
| what corresponds with the iliac crest? | L4-5 |
| what corresponds with ASIS? | S1-2 |
| What are the 4 routine views for the lumbar spine? | AP,both obliques, lateral and L5/S1 spot |
| what are the special projections for the L-spine? | flexion/extension and right and left bending |
| what is the KVp rand for the lumbar spine? | kvp 75-100 |
| What is the mAs for lumbar spine based on? | patient measurement |
| what is the SID for L-spine? | 40 inches |
| Why do you have the patient flex the knees for L-spine? | To decrease the lordotic curvature of the spine |
| What vertebral bodies need to be seen on an AP lumbar spine? | T12-S1 |
| How much is the patient oblique for a L-spine oblique? | 45* |
| What is the ear of scotty dog? | superior articular process |
| What is the nose of scotty dog? | transverse process |
| What is the eye of scotty dog? | pedicle |
| What is the neck of scotty dog? | Par interarticularis |
| What is the leg of scotty dog? | inferior articular process |
| What is the body of scotty dog? | lamina |
| Where should the eye of scotty dog lie? | should be in the center of the vertebral body |
| If scotty dogs eye is more anterior what does that mean for positioning ? | under-rotated |
| If scotty dogs eye is more posterior what does that mean for positioning? | over-rotated |
| What vertebral bodies need to be displayed on an oblique L-spine? | L1-L5 |
| What is the projection for a lateral position for the L-spine? | Right lateral |
| What vertebral bodies need to be demonstrated on a lateral L-spine? | T12-S1 |
| How much do you angle for an L-spine spot? | 5-8 degrees caudad |
| What anatomy needs to be demonstrated on a L-spine spot? | open L4-L5 and L5-S1 spaces |
| Is the patient PA or AP for bending views of L-spine? | patient and be either PA or AP |
| What are the patient instructions for flexion of L-spine? | assume fetal position or roll into a ball |
| What are the patient instructions for extension of the L-spine? | arch back by hyperextending as much as possible |
| What are the views for sacrum & coccyx? | AP axial sacrum, AP axial coccyx and lateral sacrum & coccyx |
| What is the kvp range and SID for sacrum & coccyx? | KVP 75-100 and SID 40 '' |
| How many vertebrae make up the scrum? | 5 segments |
| How many vertebrae make up the coccyx? | 3-5 segments |
| What is the projection for AP position for sacrum? | anteroposterior axial projection |
| How much do you angle on an AP sacrum position? | 15* cephalad |
| What anatomy should be demonstrated on a AP sacrum position? | entire sacrum and symmetrical ischial spines |
| How much do you angle on a AP position of the coccyx? | 10* caudad |
| What anatomy should be demonstrated on an AP position of the coccyx? | 1st,2nd, and 3rd coccygeal segments and distal sacrum |
| Where is the CR for a sacrum & coccyx left lateral position? | 3-4'' posterior to ASIS |
| What anatomy should be demonstrated on an lateral sacrum coccyx position? | entire sacrum & coccyx, sacral promentory,sacral crest in profile and L5-S1 joint space |
| what are the routine views for sacroiliac joints? | AP axial SI joints and posterior oblique SI joints |
| what is the KVp range and SID for sacroiliac joints? | KVp 80-100 and SID 40'' |
| What are the breathing instructions for sacroiliac joints? | suspend respiration |
| How much do you angle on an AP position of sacroiliac joints? | 30-35* cephalad |
| What anatomy should be demonstrated on a AP position of sacroiliac joints? | entire sacrum and sacral crest aligned with symphysis pubis |
| What is the projection for the Posterior oblique position for sacroiliac joints? | anteroposterior oblique projections |
| How much is the patient oblique for sacroiliac posterior oblique positions? | 25*-30*, side of interest elevated |
| What anatomy is demonstrated for oblique SI joints ? | open joint space, sacral ala and ilium |
Created by:
lchadderton