Run off/DVT

Question 1

A/an _________ can break loose and cause a pulmonary embolism

Answer 1

DVT

Question 2

T or F: MRA and MRV can be performed either with contrast or without contrast, using different imaging techniques.

Answer 2

true

Question 3

T or F: Patients are positioned supine head first for run-off exams.

Answer 3

false

Question 4

T or F: MRA is generally considered “non-invasive.”

Answer 4

true

Question 5

T or F: Motion artifact can be problematic in 2D TOF imaging

Answer 5

true

Question 6

Indications for MRV of the lower extremities includes all but which of the following?

Leg swelling

Evaluation for free-floating thrombus

Recent orthopedic surgery

Recent twisted ankle

Answer 6

recent twisted ankle

Question 7

When using MRA to evaluate peripheral vascular flow, such as that within the arteries of the legs, saturation pulses are placed

Answer 7

Placed inferior to the acquired slices

Question 8

At standard doses, gadolinium has the most apparent effect on the ___ relaxation time and therefore is used as an enhancement agent on ___.

Answer 8

T1/T1 weighted images

Question 9

T or F : When positioning a patient’s legs for a lower extremity vascular study, the legs should be placed as far apart as possible.

Answer 9

false

• Close together, so they can be visualized together in the FOV