Chapter 38 - Acute and Chronic Vascular Disorders of the Hand and Wrist Flashcards
1
Q
Ulnar artery is dominant in what percentage of people?
A
88%
2
Q
What is the predominant supply for the deep palmar arch?
A
radial a
3
Q
what is the predominant supply for the superficial palmar arch?
A
ulnar a
4
Q
volar digital aa arise from what?
A
superficial arch (ulnar a)
5
Q
most common source of emboli in the hand?
A
the heart - a.fib
6
Q
true aneurysms result from what?
A
blunt trauma
involve all layers of the vessel wall
7
Q
pseudoaneurysms result from what?
A
penetrating trauma
recanalization of a hematoma, no endothelial involvement
8
Q
treatment for raynauds
A
calcium channel blockers
botox injections
surgical sympathectomy
9
Q
buerger disease
A
young, male smokers
pain at rest, cold intolerance
digital ischemia and necrosis
