From the case: Renal artery stenosis

Ultrasound
System: Vascular
Section: Radiography
Tag: kidney
Modality: Ultrasound

- “ There is a 5-fold increase of renal artery velocity over aortic velocity. These findings suggest a >70% stenosis. ”

Used in the following article:

  • Renal arterial resistive index - “ The renal arterial resistive index (RI) is a sonographic index to assess for renal arterial disease. It is measured as  RI = (peak systolic velo...”

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