Case Report
Copyright ©The Author(s) 2023.
World J Clin Cases. Dec 26, 2023; 11(36): 8581-8588
Published online Dec 26, 2023. doi: 10.12998/wjcc.v11.i36.8581
Figure 4
Figure 4 Preoperative carotid ultrasound duplex in case 4. Bilateral internal carotid artery stenosis of > 90%. EDV: End-diastolic velocity; PSV: Peak systolic velocity; RI: Resistance index; ICA: Internal carotid artery.