Renal Scan with Flow for Renovascular Hypertension

What is a renal scan with flow for renovascular hypertension, and why has my physician ordered it?

This is a nuclear medicine test. It uses a small amount of radioactive material and a special camera to produce images that help evaluate kidney function, shape, and size. This test is conducted in patients with moderate- or high-risk renal vascular hypertension.

Daily Bread