Review Article
A Critical Evaluation of Carotid Duplex Scanning in the Diagnosis of Significant Carotid Artery Occlusive Disease
Figure 1
Scatter plots of internal carotid peak systolic velocity (PSV, (a)) and internal carotid end diastolic velocity (EDV, (b)) compared to percentage of stenosis based on angiographic imaging.
(a) |
(b) |