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Venography (also called phlebography) is a procedure in which an x-ray of the veins, a venogram, is taken after a special dye is injected into the bone marrow or veins. It is the gold standard for diagnosing acute deep venous thrombosis although its use has been largely supplanted by the less invasive Duplex ultrasound scanning. Venography can also be used to distinguish blood clots from obstructions in the veins, to evaluate congenital vein problems, to see how the deep leg vein valves are working or to identify a vein for arterial bypass grafting.

See also

  • Veins
  • Deep vein thrombosis

'Areas of the venous system performed'

Lower extremities, Inferior Vena Cava, Upper Extremities.

This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Venography". A list of authors is available in Wikipedia.
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