Surgical Imaging Review

Question 1

***What proper attire is needed when in the surgical suite or department?

Answer 1

• Masks
• Shoe covers
• Hair covers/cap
• Gloves
• ID & radiation badge
• Protective eyewear

Question 2

***What are the different options for covering the C-arm during surgery?

Answer 2

• Plastic cover
• Temporary draping
  
  • Plastic or cloth
• “Shower curtain”
  
  • Hip procedures

Question 3

***What is another name for a mobile fluoroscopic unit?

Answer 3

C-Arm

Question 4

Which of the monitors with the C-Arm unit is consider active?

Answer 4

Left

Question 5

***Which of the monitors holds or saves the last image?

Answer 5

Right

Question 6

***What is the name of the function on the C-Arm that allows images to be recorded in rapid sequence and then are displayed as a moving image (contrast injection)?

Answer 6

Cine loop

Question 7

What are some of the different functions or operational modes on the C-Arm?

Answer 7

• Mag or magnification
• Pulse mode
• Snapshot or digital
• Film mode
• Auto/manual exposure
• Subtraction
• Roadmapping
• Boost
• Foot pedal

Question 8

***As a general rule for radiation exposure, a radiographer should stand @ a right angle or 90 degrees to the primary beam and the object being radiographed:

Answer 8

-The least amount of scatter radiation occurs @ this position.

Question 9

The greatest amount of scatter radiation occurs on the tube side of the fluoro unit:

Answer 9

Therefore it is recommended that the x-ray tube be placed under the patient.

Question 10

Horizontal projection:

Answer 10

The exposure region on the x-ray tube side of the patient is significantly greater than the region near the intensifier tower.
(SEE Photo on PPT page 44)

Question 11

***Tilting the C-Arm significantly increases the exposure to the upper body and facial region when not shielded by a lead apron. A tilt of 30 degrees increases the dose by a factor of

Answer 11

4

see picture page 45