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DVT398-BL8
The Renal Vasculature
| Question | Answer |
|---|---|
| The kidneys are located _____________ in the dorsal abdominal cavity | retroperitoneally |
| Where do the renal artery, vein, and ureter enter and leave? | renal hilum |
| The renal arteries can be identified _____ below the transpyloric plane | 2cm |
| The majority of renovascular disease is caused by what? | atherosclerotic renal artery stenosis |
| What are other complications of renal arteries? | aortic dissection extending into renal arteries, aneurysms, coarctationn, AV fistulae, arteritis, compression |
| What is best patient position when evaluating renal arteries? | supine with head slightly elevated |
| What type of transducer is used to evaluate renal arteries? | phased or curved array 2-5 MHz |
| What is normal waveform of renal artery? | rapid systolic upstroke, a slightly blunted peak, and forward diastolic flow |
| What are ranges for PSV of renal artery? | 90 to 120 cm/s |
| A renal artery stenosis of less than hemodynamic significance is identified by an elevated PSV of _______ and RAR of _______ and most notably, the absence of poststenotic signal | > 180 cm/s, <3.5 |