Vas week 6: Arterial Bypass and Stent Surveillance Duplex Ultrasound knowledge check

How do we typically treat pseudoaneurysm (PA)?

thrombin injection

What is usually the cause of pseudoaneurysm and arteriovenous fistula in LE?

vascular access

All the following are symptoms for PA except: 

coldness

Which of the following is not a risk factor for arterial disease?

history of venous disease

When trauma occurs to all three layers of the arterial wall resulting in a pulsating hematoma, this is known as __________.

pseudoaneurysm

The typical waveform associated with the neck of a pseudoaneurysm is:

to and fro

Bypass grafts can be located between any two vessels and are named for the:

two arteries they connect

Which of the following is an example of graft failure due to technical error?

retained valve cusp

Which technical failure, in a stent, is more common after angioplasty?

occlusion

A moderately significant stenosis is indicated in the body of a graft when velocities are:

>180 cm/s and Vr >2.0

Graft entrapment typically occurs at the:

popliteal

Immediate post-operative evaluation of a prosthetic graft may not be possible due to __________ within the graft walls.

air