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Table 4 Peak systolic velocities and degree of stenosis in 88 cases with sCBVD

From: Utility of carotid duplex ultrasonography in a general inner-city hospital

Stenosis

PSV (cm/s)

N(%)

50-69%

228.9

62 (7.5%)

70-99%

556.1

11 (1.3%)

Near occlusion

Undetectable

3 (0.4%)

Total occlusion

Undetectable

10 (1.2%)

Vertebral

-

2 (0.2%)