Case Report
Copyright ©The Author(s) 2021.
World J Clin Cases. Sep 26, 2021; 9(27): 8171-8176
Published online Sep 26, 2021. doi: 10.12998/wjcc.v9.i27.8171
Figure 3
Figure 3 Color Doppler ultrasound of the upper extremity arteries. A: The right upper extremity artery is normal; B: The frequency spectrum of the left upper extremity artery is a "small slow-wave".