Upper Extremity Artery Duplex Imaging

Question 1

arterial disease in the upper extremities is much ___ common than the lower extremities

Answer 1

much less common

Question 2

upper extremity arterial disease may be ___

Answer 2

symptomatic

Question 3

6 indications for UEA Duplex Imaging

Answer 3

1. exertional arm pain
2. ischemic rest pain
3. tissue loss
4. evaluate symptomatic patients for stenosis or aneurysm
5. follow up of known disease
6. follow up post-intervention

Question 4

transducer used for UEA Duplex Imaging

Answer 4

linear (5-10MHz)

Question 5

most common aneurysm of the upper extremities

Answer 5

subclavian artery aneurysm

Question 6

subclavian artery aneurysm is associated with ___

Answer 6

distal embolization

Question 7

ulnar artery aneurysm is typically secondary to ___

Answer 7

Hypothenar Hammer Syndrome

Question 8

what causes Hypothenar Hammer Syndrome?

Answer 8

repetitive blunt trauma to the superficial palmar arch of the ulnar artery

Question 9

Hypothenar Hammer Syndrome can lead to (3)

Answer 9

1. aneurysmal degeneration
2. formation of intraluminal thrombus
3. subsequent embolization to digital arteries

Question 10

3 signs of > 50% brachial artery stenosis

Answer 10

1. high resistive flow in axillary artery
2. elevated PSV in the focal stenosis
3. abnormal waveform in the brachial artery distal to stenosis