Fig. 3From: Renovascular hypertension in childrenContrast enhanced ultrasound. Single frames from a contrast enhanced US video loops taken immediately after sulfur hexafluoride lipid-type A microspheres are injected and flushed with 10mls saline. a Immediately pre right renal artery angioplasty with reduced cortical perfusion to the right kidney and b immediately post angioplasty with overall improved perfusionBack to article page