Surgical Imaging Review Flashcards Preview

Hannah RAD III > Surgical Imaging Review > Flashcards

Flashcards in Surgical Imaging Review Deck (11):
1

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

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

2

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

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

3

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

C-Arm

4

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

Left

5

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

Right

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)?

Cine loop

7

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

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

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:

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

9

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

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

10

Horizontal projection:

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)

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

4
(see picture page 45)