Deep vein thrombosis (DVT) is the term for blood clots that develop in a deep vein in the body (as opposed to veins close to the skin surface). The most common site of DVT is in the leg, but a DVT can also occur in the arm. There are two major types of veins in the legs: deep veins and superficial veins. The function of veins is to carry blood back to the heart. The deep veins are located deep in the leg or arm and are covered by muscle. They return approximately 85% of the blood in the legs back to the heart. The superficial veins are located close to the skin and return the remaining 15% of blood to the heart.
A blood clot (also called a thrombus) causes problems when it blocks, or partially blocks, a deep vein and prevents blood from getting through.
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Other sites:
http://www.wikidoc.org/index.php/Deep_Vein_Thrombosis#Suggested_Reading_and_Key_General_References

http://www.carp.ca/display.cfm?documentID=1908&CabinetID=263&LibraryID=70&cityID=7

http://www.tigc.org/default.htm

http://www.natfonline.org/

http://catalog.nucleusinc.com/displaymonograph.php?MID=148

http://www.ncbi.nlm.nih.gov/sites/entrez?db=pubmed&uid=3955523&cmd=showdetailview&indexed=google

http://www.yourhealthbase.com/DVT.htm

http://dvt.net/preventionCenter/animations.aspx

http://www.mayoclinic.com/health/deep-vein-thrombosis/DS01005/DSECTION=1

http://body.aol.com/conditions/deep-vein-thrombosis/topic-overview

http://www.vascularweb.org/_CONTRIBUTION_PAGES/Patient_Information/NorthPoint/Deep_Vein_Thrombosis.html

http://www.vdf.org/diseaseinfo/dvt/

http://www.cmaj.ca/cgi/content/full/175/9/1087

http://www.virtualbloodcentre.com/diseases.asp?did=662

http://www.lifestages.com/health/venous.html

Some facts about DVT...

http://www.prnewswire.com/cgi-bin/stories.pl?ACCT=104&STORY=/www/story/06-30-2005/0003991168&EDATE=





http://www.medicalnewstoday.com/articles/48319.php

Here are two lectures that I found very interesting... Lenghty, but well worth the listen.

http://www.natfonline.org/dec_2007/Elliott/viewer.swf

http://www.natfonline.org/november_2007/Thrombophilia/index.htm

A talk that Melanie Bloom did at the DVT summit 2007
http://www.natfonline.org/dec_2007/Bloom/viewer.swf

More people are starting to talk about DVT, PE...
Here is a link to a short video.
What is DVT, PE...?
and another one.
https://www.preventdvt.org/util/psa2007.aspx

Here is a picture showing the veins situated in the legs. It might help you understand a bit more about DVT...

Another video with Melanie Bloom made in 2008

To fly or not to fly, is flying really the reason for DVT?

More great work by Melanie Bloom...