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DVT423-AF5
USIDMS Renal Doppler
Question | Answer |
---|---|
What is a horseshoe kidney? | The kidneys are joined at their lower poles by an isthmus of tissue. |
How does the right renal artery course? | It initially courses anterolaterally and then moves posterior to the inferior vena cava. |
Who are most at risk for atherosclerotic renal artery stenosis? | The elderly, hypertensive patients, smokers, patients who have hyperlipidemia, and diabetes. |
What is used to calculate the renal-aortic velocity ratio? | The highest renal artery velocity and the peak systolic velocity of the aorta. |
What can you do to find the presence of additional renal arteries? | Increase the sample volume size and scan the para-aortic region. |
What is the normal kidney length range? | 9-13 cm |
What might patients with acute renal failure present with? | Pain and hematuria |
How should the aorta and common iliac arteries look in B-mode? | Anechoic lumens with smooth arterial walls. |
Peak systolic velocities in the aorta range from? | 60 to 100 cm/s |
Flow reducing renal artery stenosis is considered what percent? | >60% |