has essential measure uses diagnostic device measures Cerebral Blood Flow Assay Cerebral Blood Flow Velocity Current Age Doppler Ultrasound Machine - 2 Megahertz Stroke Risk Test in Children with Sickle Cell Disease Include below "Cerebral Flow Test"? -- Include below "Vascular Endothelial Function Test"? phenX:821001 Sufficient SCDO:0001114 A clinical test to measure the blood flow velocities in intracranial arteries. Elevated intracranial arterial blood flow rates are indicative of expanding vessel lesions and a subsequent increased risk of stroke.