Deep vein thrombosis overview: Difference between revisions
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DVT of the lower extremity is subdivided into two categories: | DVT of the lower extremity is subdivided into two categories: | ||
*'''Distal (calf) vein''' thrombosis | *'''Distal (calf) vein''' thrombosis: Confined to the deep calf veins | ||
*'''Proximal vein''' thrombosis | *'''Proximal vein''' thrombosis: Involves the popliteal, femoral, or iliac veins | ||
Occasionally | The risk is significantly increased if the thrombus embolizes to the lungs, causing [[pulmonary embolism]]. Occasionally, veins of the '''arm''' are also affected (known as ''[[Paget-Schrötter disease]]''). Upper extremity DVT is less common but also may lead to [[PE]], especially in the presence of a venous catheter<ref name="pmid15222648">{{cite journal| author=Ramzi DW, Leeper KV| title=DVT and pulmonary embolism: Part I. Diagnosis. | journal=Am Fam Physician | year= 2004 | volume= 69 | issue= 12 | pages= 2829-36 | pmid=15222648 | doi= | pmc= | url= }} </ref>. [[Thrombophlebitis]] is swelling (inflammation) of a vein caused by a blood clot. | ||
Upper extremity DVT is less common but also may lead to PE, especially in the presence of a venous catheter<ref name="pmid15222648">{{cite journal| author=Ramzi DW, Leeper KV| title=DVT and pulmonary embolism: Part I. Diagnosis. | journal=Am Fam Physician | year= 2004 | volume= 69 | issue= 12 | pages= 2829-36 | pmid=15222648 | doi= | pmc= | url= }} </ref>. | |||
==References== | ==References== | ||
Revision as of 01:33, 13 May 2012
Editors-in-Chief: C. Michael Gibson, M.S., M.D. Associate Editor-In-Chief: Ujjwal Rastogi, MBBS [1]
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Overview
Deep-vein thrombosis (also known as deep-venous thrombosis or DVT and colloquially as economy class syndrome) is the formation of a blood clot ("thrombus") in a deep vein.
DVT of the lower extremity is subdivided into two categories:
- Distal (calf) vein thrombosis: Confined to the deep calf veins
- Proximal vein thrombosis: Involves the popliteal, femoral, or iliac veins
The risk is significantly increased if the thrombus embolizes to the lungs, causing pulmonary embolism. Occasionally, veins of the arm are also affected (known as Paget-Schrötter disease). Upper extremity DVT is less common but also may lead to PE, especially in the presence of a venous catheter[1]. Thrombophlebitis is swelling (inflammation) of a vein caused by a blood clot.