Venography

Venography

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 ultrasonography. 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.

Areas of the venous system performed include lower extremities, Inferior vena cava, upper extremities.

ee also

* Vein
* Deep vein thrombosis

External links

* [http://www.debakeydepartmentofsurgery.org/home/content.cfm?proc_name=Venogram&content_id=272 Baylor College of Medicine Venogram procedure page, retrieved November 4, 2006]
* [http://www.webmd.com/hw/lab_tests/hw235506.asp WebMD Venogram procedure page, retrieved November 4, 2006]


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Look at other dictionaries:

  • venography — Radiographic demonstration of a vein, after the injection of contrast medium. SYN: phlebography (2). [veno + G. grapho, to write] splenic portal v. SYN: splenoportography. transosseous v. radiographic demonstration of veins that drain a bone s… …   Medical dictionary

  • venography — phlebography; n. imaging of the anatomy of veins in a particular region of the body. Traditionally a radiopaque contrast medium is injected into a vein and X ray photographs (venograms) taken as the medium flows towards the heart. Damage,… …   The new mediacal dictionary

  • venography — noun Etymology: International Scientific Vocabulary Date: 1935 radiography of a vein after injection of an opaque substance …   New Collegiate Dictionary

  • venography — /vee nog reuh fee/, n. x ray examination of a vein or veins following injection of a radiopaque substance. Also called phlebography. [1925 30; VENO + GRAPHY] * * * …   Universalium

  • venography — noun A diagnostic 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. Syn: phlebography …   Wiktionary

  • venography — n. (Medicine) phlebography, method for examining a vein in which a radiopaque material in injected into the vein and a conventional x ray image of the area is taken (used to detect blockages) …   English contemporary dictionary

  • venography — ve·nog·ra·phy …   English syllables

  • venography — ve•nog•ra•phy [[t]viˈnɒg rə fi[/t]] n. med x ray examination of a vein or veins following injection of a radiopaque substance • Etymology: 1925–30 …   From formal English to slang

  • venography — /vɛˈnɒgrəfi/ (say ve nogruhfee) noun a medical procedure in which X ray images of veins are produced following injection of a radiopaque substance, to assist in diagnosis. {veno + graphy} …  

  • venography — A procedure in which an x ray of the veins is taken after a special dye is injected into the bone marrow or veins …   English dictionary of cancer terms

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