Quantitation of the severity of arterial stenosis by pressure gradient measurement.
D000818:Animals; D001783:Blood Flow Velocity; D001795:Blood Pressure Determination; D002341:Carotid Artery Thrombosis / Q000175:diagnosis*; D004285:Dogs; D008954:Models, Biological; D008991:Monitoring, Physiologic; D012078:Renal Artery Obstruction / Q000175:diagnosis*