Abdominal Doppler 156 QUESTIONS WITH COMPLETE SOLUTIONS

What is true renovascular hypertension? CORRECT ANSWERS: Renal artery is the cause of the HTN Which renal vein is shorter? CORRECT ANSWERS: Right side The left renal vein is anterior to _____ but posterior to ______. CORRECT ANSWERS: Aorta SMA Do the renal arteries lie anterior or posterior to the renal veins? CORRECT ANSWERS: Posterior Are the iliac arteries anterior or posterior to the iliac veins? CORRECT ANSWERS: Anterior What structure does the right renal artery wrap around to course posteriorly towards the kidney? CORRECT ANSWERS: IVC Which side of the spine is the aorta towards? CORRECT ANSWERS: Left Which segment of the aorta has the highest resistance? CORRECT ANSWERS: Distal What are the range of normal flow velocities in the aorta? CORRECT ANSWERS: 70 - 140 cm/s Scanning oblique on an AAA will falsely ______ (increase or decrease) its size. CORRECT ANSWERS: Increase The guidelines for an aneurysm are: CORRECT ANSWERS: Any dilation 3 cm Or A focal dilation 1.5 times the adjacent portion What is the best indicator for a AAA and why? CORRECT ANSWERS: 1.5 times the adjacent portion Because it takes into account body habitus Which segment of the aorta is most susceptible to AAA? Why? CORRECT ANSWERS: Distal No net-like vasa vasorum If you are using power angio to detect a small amount of flow that could not be seen on color, how could you determine the direction? CORRECT ANSWERS: Spectral doppler Why is is important to find endoleaks? CORRECT ANSWERS: Walls of the dilation are already thin, so there is an increased risk of rupture