Duplex Scanning and Color Flow Imaging of the Upper Extremities

Question 1

purpose of duplex scanning and color flow (3)

Answer 1

localizes arterial stenosis or occlusion
evaluates degree of stenosis, treatment, and graft
determines the presence of absence of an aneurysm

Question 2

main use for duplex and color flow imaging in the upper extremities is to ___

Answer 2

evaluate hemodialysis access grafts

Question 3

7 things to do when evaluate access grafts

Answer 3

identify and evaluate inflow artery
identify and evaluate arterial anastomosis
identify and evaluate body of the graft
observe for abnormalities
observe color flow
identify and evaluate venous anastomoses
identify and evaluate outflow vein