case_images: PMC4900303_01
case_images: Left panel - short axis view showing unicuspid valve. Right panel - long axis view showing valve and flow direction in internal jugular vein
case_images: ACA-18-106-g001.jpg
case_images: PMC4900303_01_ACA-18-106-g001.jpg
case_images: F1
case_images: We then performed vascular ultrasound examination using Philips HD11 XE ultrasound system, and found to have a large venous valve in right IJV [Figures 1 and 2].
case_images: Color flow Doppler image of internal jugular vein (IJV: Internal jugular vein, ICA: Internal carotid artery)
case_images: ACA-18-106-g002.jpg
case_images: PMC4900303_01_ACA-18-106-g002.jpg
case_images: F2
case_images: We then performed vascular ultrasound examination using Philips HD11 XE ultrasound system, and found to have a large venous valve in right IJV [Figures 1 and 2].