Tib/Fib

Question 1

Clinical indications:

Answer 1

• Fractures and dislocations of the radius or ulna.

- Pathologic processes such as osteomyelitis or arthritis.

Question 2

Technical factors:

Answer 2

Minimum SID 40"
11x14" IR for small pts, 14x17" for long forearms, lengthwise.
No grid.
Detail screens for analog imaging.
Analog 60-70 kV range
Digital 70-75 kV range

Question 3

Sheilding:

Answer 3

Shield radiosensitive tissue outside region of interest.

Question 4

Patient position:

Answer 4

Seat patient at end of table, with hand and arm fully extended and palm up (supinated.).

Question 5

Part position:

Answer 5

• Drop shoulder to place entire upper limb on same horizontal plane.
• Align and center forearm to long axis of IR, ensuring that both wrist and elbow joints are included (Use as large in IR as necessary.).
• Instruct patient to lean laterally as necessary to place entire wrist, forearm, and elbow in as near a true frontal position as possible (Medial and lateral epicondyles should be the same distance from IR.).