Venous

Question 1

A reflux time of ___ seconds is consistent with perforator incompetence.

a) > 0.5
b) > 0.35
c) > 5.0
d) > 1.0

Answer 1

b) > 0.35

Question 2

What veins course between the superficial and the deep veins through the deep fascia?

Answer 2

Perforator

Question 3

What is Telangiectasias?

Answer 3

“Spider veins”

Question 4

What does Patent mean?

Answer 4

Open vessel, no evidence of thrombus

Question 5

Define acute venous thrombosis

Answer 5

Enlarged vein, low to medium echogenic thrombus

Question 6

Dodd’s Perforator

Answer 6

Perfs of femoral canal

(Dodds, distal thigh)

Question 7

Repeated extrinsic compression of the axillart and subclavian vein can lead to thrombosis. What is this phenomenon called?

a) Ackerman Syndrome
b) Hunter Syndrome
c) Paget-Schroetter Syndrome
d) Arterial insufficiency

Answer 7

c) Paget-Schroetter Syndrome

Question 8

The innominate vein is formed by the confluence of the:

a) Subclavian and cephalic
b) Internal and external jugular
c) Subclavian and internal jugular
d) Subclavian and external jugular

Answer 8

c) Subclavian and internal jugular

Question 9

What is another term for the innominate vein?

Answer 9

Brachiocephalic vein

Question 10

Abnormally high pressure in the right side of the heart can cause __________ at the level of the CFV and below.

a) High velocities
b) Low velocities
c) Pullsatility
d) Both 1 and 2

Answer 10

c) Pullsatility

Question 11

A 47-year-old patient with a history of DVT one month ago presents for a follow-up examination. The scan reveals an echogenic thrombus adhered to the vessel wall. The vein is still partially compressible and the vein walls are slightly echogenic. Small channels of flow are seen. The patient is on anticoagulants. This is most likely consistent with:

a) Acute DVT
b) Sub-acute DVT
c) Chronic DVT
d) Recanalized DVT

Answer 11

d) Recanalized DVT

(Recanalization refers to the restoration of the vessel lumen post thrombosis with the formation of new channels for blood to flow within the vessel)

Question 12

The anterior tibial veins course ___ to the interosseous membrane?

a) Medial
b) Lateral
c) Anterior
d) Posterior

Answer 12

c) Anterior

Question 13

Deep veins carry what % of blood volume in the legs?

a) 50
b) 85
c) 60
d) 70

Answer 13

b) 85

Question 14

With most venous duplex exams, as the sonographer scans about two-thirds of the way down the thigh, the vessels will go very deep, through the _______________and become difficult to image.

a) Adductor Canal
b) Fascia
c) Soleus muscles
d) Popliteal Fossa

Answer 14

a) Adductor Canal

(the fem vein passes through the Adductor Canal to become the Pop V)

Question 15

If you have your patient perform a valsalva maneuver, the vein will dilate as the _______________ pressure and consequently the ____________pressure increases.

a) Venous; intrathoracic
b) Intra-abdominal; intravenous
c) Intrathoracic; venous
d) Probe; coaptation

Answer 15

b) Intra-abdominal ; intravenous

Question 16

Which is the most severe form of iliofemoral AVT with near total venous obstruction and restricted arterial inflow that may lead to gangrene/sepsis?

a) Phlegmasia alba dolens

or

b) Phlegmasia cerula dolens

Answer 16

b) Phlegmasia cerula dolens