Week 9

Question 1

What position should the patient be in to perform UE duplex exam?

Answer 1

supine with head lifted, arm in pledge position

Question 2

The BCA usually appears more __________ on the screen

Answer 2

vertical

Question 3

The SCA should always appear __________ on the screen.

Answer 3

Horizontal

Question 4

Normal PSV in the SCA = ___________

Answer 4

80 - 120 cm/s

Question 5

Normal PSV in BR A, RAD A, ULN A = ________

Answer 5

40 - 60 cm/s

Question 6

What should you do increase sensitivity to low flow rates?

Answer 6

Increase gain, Decrease scale

Question 7

What can help you determine the location of an occluded artery if you can’t see it?

Answer 7

companion veins

Question 8

What qualifies as an aneurysm?

Answer 8

permanent dilation 1.5x increase in diameter

Question 9

How big should the radial artery be to use for BPG?

Answer 9

At least 2 mm

Question 10

What is a common complication of femoral catheterization?

Answer 10

Pseudoaneurysms (PA)

Question 11

Describe a pseudoaneurysm

Answer 11

pulsatile mass
Visible neck
to and fro pattern in neck
Red and blue color in mass
Radial pulsations

Question 12

What is a vital waveform to document to prove PA?

Answer 12

to and fro waveform in the PA neck

Question 13

What PA images should be obtained?

Answer 13

Fullest size of PA with measurements in transverse and long views
Amount of thrombus forming
Neck doppler with to and fro pattern
ID artery with hole
Size of hole?

Question 14

What is an AVF?

Answer 14

Arteriovenous fistula, a hole in both artery and adjacent vein which allows flow to move directly from artery into vein