Show:
C-Spine
T-Spine
L-Spine/Sacrum/Coccyx
Upper Extremity
Misc
100
What is the proper SID for a lateral projection?
72"
100
Where is the CR entry point and top of film located for an AP projection?
Perpendicular to T7, 1" above the shoulders
100
For an AP projection of the L-Spine why is it important to flex the patient's knees?
It reduces the OID and the lumbar curve
100
When positioning for a forearm, elbow, and shoulder the placement of what is important?
humeral epicondyles
100
When an x-ray of the hand in PA position is taken, what position is the 1st digit in?
Oblique
200
What is the CR direction and entry point for an AP projection?
15-20 degrees cephalad to the thyroid cartilage
200
What is the CR angulation and direction for a lateral projection?
5-15 degrees cephalad
200
What is the CR angulation and direction for the lateral L-Spine?
5-8 degrees caudad
200
What is the correct central ray direction and entry point for a trauma axial lateral position of the elbow?
45 degrees towards the shoulder
200
What is the CR entry point for the AP scapula?
midscapula 2" inferior to the coracoid process
300
What are the breathing instructions for the lateral projection and why are they important?
expiration, it depresses the shoulders
300
What is the advantage of using a breathing technique?
This blurs the vascular lung markings and superimposed ribs
300
For an AP projection of the coccyx what is the CR angulation and entry point?
10-20 degrees caudad, 2" above the pubic symphysis
300
How would a PA wrist with ulnar deviation change the way the scaphoid looks?
It reduces foreshortening of the scaphoid
300
For an AP oblique projection of the SI joints, which joint is demonstrated?
The joint on the elevated side
400
For an AP open mouth projection what two things should be perpendicular to the IR?
mastoid tip & upper occlusal plane
400
What is the CR entry point and angulation for the lateral cervicothoracic projection?
Perpendicular to T2
400
What is the CR entry point and angulation for and AP projection of the sacrum?
15-20 degrees cephalad midway between the pubic symphysis and ASIS
400
On an internal oblique position of the elbow, what is shown in profile?
Coronoid process
400
In the outlet view of the pelvis, what structures does the image show?
Ischial body and ramus, superior and inferior rami
500
When performing the oblique projection (LPO/RPO), which foramen are demonstrated (closest/farthest)?
farthest
500
What is the angulation of the oblique (LAO/RAO) for the T-spine?
15-20 degrees caudad
500
When performing and oblique projection of the L-spine (LPO/RPO) which joints are demonstrated (closest/farthest) and what are they named?
closest, zygapophyseal
500
What is another name for the carpal canal exam of the wrist?
Gaynor-Hart
500
What two positions give the most optimum detail of the clavicle?
PA and recumbent AP