Chapter 21 Miscellaneous Conditions, Diagnostic Tests and Treatment Flashcards
________ _________ results in retrograde flow in ipsilateral vertebral artery
Subclavian occlusion
Ipsilateral vertebral artery feeding a __________ vascular bed
High- resistance
Inflammation of the arterial wall of the superficial temporal artery or it’s frontal and/or parietal branches is called
Temporal arteritis
In temporal arteritis inflamed arterial segments are usually larger in diameter with _______ thickening evident on B-mode
Homogenous
Intimal thickening of temporal arteritis may result in hemodynamically significant stenosis where _____ are doubled
PSVs
A 48 year old male presents with retrograde flow in the left vertebral artery. This is most likely related to occlusion of the
A) left subclavian
B) right vertebral
C) right subclavian
D) innominate artery
A) left subclavian ( this condition I termed subclavian steal)
Which statement below is not true regarding subclavian steal
A) most commonly occurs on left side
B) most patients are asymptomatic
C) results from severe stenosis or occlusion of the proximal vertebral artery
D) lower blood pressure is seen in the affected arm
C) results from severe stenosis or occlusion of the proximal vertebral artery