This study was conducted to develop new modified duplex velocity criteria to better define normal carotid ... and common carotid arteries and the ICA to common carotid artery (CCA) PSV ratios ...

Sixty-three percent were done for ≥ 70% asymptomatic carotid stenosis and 37% ... Sensitivity and Specificity of Various Velocity Criteria Peak Systolic Velocity. As noted in Table 6, a PSV ...