UVJ Stone with twinkle artifact on Bladder POCUS This 75yo well appearing female presents with left flank pain. What is your next step? Resolution: @ left uvj (left post inf aspect of bladder, transverse plane) is a uvj stone exhibiting twinkle (resonance) artifact. D/C home. #UVJ #Stone #bladder #Ultrasound #twinkle #artifact #clinical #POCUS