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DVT423- TR5
USIDMS Renal Doppler
| Question | Answer |
|---|---|
| What kidney length is considered atrophic? | Less than 9cm |
| In the aorta, flow above the renal arteries should be low or high resistance? | Low Resistance |
| Where is the right renal artery in relation to the IVC? | Posterior to |
| Where is the left renal vein in relation to the SMA and aorta? | Anterior to the aorta, posterior to the SMA |
| Which arteries run between the medullary pyramids? | Interlobar |
| Which arteries run paralllel to the cortex surface of the kidney? | Arcuate |
| What is a normal RAR? | Less than 3.5 |
| What is an abnormal PSV for the renal arteries? | 180 cm/s |
| What is a thickening of the vessel wall which appears as a string of pearls? | Renal fibromusclar dysplasia |
| What signifies rejection in a kidney transplant doppler? | Waveforms of the segmental, interlobar, and arcuate arteries demonstrate high resistance with minimal diastolic flow |