EXAMINATION: CAROTID DUPLEX ULTRASOUND, 01/01/01 COMPARISON: None available. RIGHT SIDE FINDINGS: There is no significant plaque and there is no significant stenosis. Antegrade flow is identified in the right vertebral artery. LEFT SIDE FINDINGS: The left side is also normal, with no significant plaque or evidence of stenosis. There is antegrade flow in the left vertebral artery. The Ultrasound Imaging Services of this facility are accredited for OB and General Ultrasound Services by the American College of Radiology.       IMPRESSION: Normal carotid duplex ultrasound. No significant plaque is identified. END OF IMPRESSION: