Ultrasound Vascular Registry Exam
Questions and Answers 100% Pass
What resistance is the celiac artery/axis? - Answer✔Always low resistance
Normal CA velocities - Answer✔50-60 cm/s
Abnormal ca velocity - Answer✔>200 cm/s
Abnormal sma and ima velocities - Answer✔>275 cm/s
What do you see when the Celiac axis is occluded? - Answer✔Hepatic artery is retrograde
because its supplying the Splenic artery
How many vessels are involved with chronic mesenteric ischemia? - Answer✔2
How many vessels are involved with bowel ischemia? - Answer✔3
What does a high RI in a renal artery indicate? - Answer✔Intrinsic kidney disease
What does a high acceleration time indicate in a renal artery? - Answer✔Proximal stenosis
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What is normal PSV for renal arteries - Answer✔74-127 cm/s
What is normal RAR, RI and AT for renal arteries - Answer✔RAR: <3.5
RI: <0.8
AT: <0.1 seconds
Abnormal PSV for renal arteries? What % stenosis does it indicate? - Answer✔>200 cm/s, 60%
Normal AVF velocities PSV & EDV - Answer✔PSV 150-300 cm/s
EDV 60-200cm/s
What is the minimum normal AVF FLOW VOLUME - Answer✔800 ml/min
Minimum diameter for AVF and graft creation: For vein AVF - Answer✔2.5mm
Minimum diameter for AVF and graft creation: For vein synthetic graft - Answer✔4mm
Minimum diameter for AVF and graft creation: For artery graft or AVF - Answer✔2mm
Is the prox or distal end larger in reversed vein graft? - Answer✔DISTAL
NASCET: Symptomatic pts with greater than __% ____ (area or diameter) stenosis -
Answer✔70%, diameter
Normal venous filling index (VFI) - Answer✔<2.0
In severe reflex the venous filling index is - Answer✔>10
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