Tag: resistive index

Renal Ultrasound and Imaging: How to Evaluate Kidney Obstruction and Size
Martin Kelly 30 January 2026 0

Renal Ultrasound and Imaging: How to Evaluate Kidney Obstruction and Size

Renal ultrasound is the safest, first-line test for evaluating kidney obstruction and size. It detects hydronephrosis, measures kidney dimensions, and uses Doppler to assess blood flow-without radiation or contrast. Learn how it works, when it’s used, and why it’s still the gold standard.