X- Zone Questions

Question 1

If we are doing a venous ultrasound and see that there is an occluded artery, what other type of imaging is then necessary?

Answer 1

Volume Plethesmography

Question 2

What is the approximate venous pressure at the ankle of a 6” man laying supine

Answer 2

8 mmhg

Question 3

Hydrostatic pressure is directly related to a person’s height.

True or False

Answer 3

True

Question 4

If you see a patient with reflux, what sonographic finding might you see?

Not related to waveform.

Answer 4

Large varicosities

Question 5

What is Phlegmasia cerulea dolens?

Answer 5

Bluish discoloration of the leg due to ilio-femoral DVTq

Question 6

A young woman was diagnosed with phlegmasia alba dorens. What would her leg look like and what treatment is necessary

Answer 6

immediate treatment is necessary. Venous thromboectomy, and the leg would be white

Question 7

Is volume plethesmography used in arteries or veins?

Answer 7

arteries

Question 8

What two vessels join to form the SVC?

Answer 8

The right and left innominate veins

Question 9

How many valves does the SVC have?

Answer 9

none!

Question 10

How much blood should be ejected from the calf secondary to an effective calf pump?

Answer 10

> 60%