Thoracic central vein obstruction on ultrasound

Duplex ultrasound image before (A) and after (B) arm abduction. Note the increased velocity and turbulence of the venous wave form due to venous compression at the costoclavicular junction.

Courtesy of Albeir Y Mousa, MD, FACS, MBA, MPH, RPVI.

Graphic 120525 Version 1.0

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