AP Forearm projection
What technique is used for an AP forearm projection?
40" SID, 70 KVP, 1.25 mAs
What technique is used for a lateral projection of the forearm?
40" SID, 70 KVP, 1.25 mAs
What is the positioning for an AP projection of the forearm?
2. remove jewelry
3. extend elbow, supinate hand
4. rotate elbow laterally until epicondyles are parallel to the IR.
What is the positioning for a lateral projection of the forearm?
1. seated at the end of the IR table
2. remove jewelry
3. flex elbow 90 degrees
4. make sure hand is true lateral
Where does the central ray enter for an AP projection of the forearm?
CR enter perpendicular, mid forearm
Where does the central ray enter for a lateral projection of the forearm?
CR enter perpendicular, mid forearm.
What anatomical structures should be seen on a AP projection of the forearm?
distal and proximal radius and ulna. proximal carpals, epicondyles
What anatomical structures should be seen on a lateral projection of the forearm?
distal and proximal radius/ulna. proximal carpals. olecranon process, humeral epicondyle, coronoid process, ulnar styloid process. radial head, radial tuberosity.
How do you know that you have proper positioning for a AP projection of the forearm?
slight superimposition of the radial head, neck, and radial tuberosity over the proximal ulna
How do you know that you have proper positioning for a Lateral projection of the forearm?
superimposition of distal radius and ulna, radial head over the coronoid process. 90 degree flexion