Chapter 6 Doppler Segmental Pressures (UE)

Question 1

What artery is used to obtain the upper arm BP

Answer 1

Brachial artery

Question 2

What 2 arteries are used to obtain the forearm pressures

Answer 2

Radial and ulnar

Question 3

What test is used to evaluate patency of the palmar arch

Answer 3

Allen test

Question 4

With manual compression of _______ artery by the technologist, the patient clinches ipsilateral fist (<1 min) inducing pallor

Answer 4

Radial

Question 5

Reappearance of color to indicate the ulnar artery is providing flow to the palmar arch indicates it’s

A) normal
B) abnormal

Answer 5

A) normal

Question 6

Color does not reappear to indicate an ______ artery obstruction or _______ _______ obstruction

Answer 6

Ulnar
Palmar arch

Question 7

A 15-20 mmHg difference from one brachial pressure to the other suggests a ______% stenosis of the subclavian artery

Answer 7

> 50

Question 8

A difference of ______ mmHg between radial and ulnar pressures suggests obstruction in vessel

Answer 8

> 20

Question 9

What test is useful in determining hand viability if the radial artery is to be removed for use as a coronary artery bypass graft

Answer 9

Modified Allen Test

Question 10

What test is often used to document the presence or absence of arterial flow in the digits during manual compression of the radial artery

Answer 10

Modified Allen Test

Question 11

What test can also be performed while compressing the ulnar artery in the same manner to assess radial arterial inflow to the palmar arch

Answer 11

Modified Allen test