• J Clin Ultrasound · Jul 1994

    Doppler ultrasonography of normal neck veins.

    • A Pucheu, J Evans, D Thomas, C Scheuble, and M Pucheu.
    • J Clin Ultrasound. 1994 Jul 1; 22 (6): 367-73.

    AbstractDoppler ultrasonography was used to examine 198 neck-vein systems (67 right, 131 left) in 148 patients. The vessel lumen is usually echo-free: the veins are supple, and the internal jugular and sometimes the subclavian veins can be compressed. The venous confluence is Y-shaped. Blood flow was symmetrical and biphasic in 57% of cases, continuous in 29% of cases, and monophasic in 13% of cases. Blood flow velocity was less than 1 m/s in all cases and varied with respiration and heart rate. Color Doppler allows flow imaging and increases the speed and reliability of the procedure. This investigation is useful for following-up patients with indwelling venous catheters and is the investigation of choice whenever pathology of the neck veins is suspected.

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