Venous thrombosis: Difference between revisions

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{{Thrombosis}}
#Redirect [[venous thromboembolism]]
 
{{DiseaseDisorder infobox |
  Name        = Venous thrombosis |
  ICD10      = {{ICD10|I|80||i|80}}-{{ICD10|I|82||i|80}} |
  ICD9        = {{ICD9|453}} |
}}
{{WikiDoc Cardiology Network Infobox}}
 
{{CMG}} '''Associate Editor-In-Chief''': [[User:Ujjwal Rastogi|Ujjwal Rastogi, MBBS]] [mailto:urastogi@perfuse.org]
 
==Overview==
'''Thrombus''' is term given to a blood clot that remains in the place where it formed. A '''venous thrombosis''' is a condition in which a thrombus([[blood clot]]) forms within a [[vein]].  '''Superficial venous thrombosis''', as the name suggest is the formation of a thrombus in superficial veins. It can cause discomfort but generally do not cause serious consequences, unlike the '''[[deep venous thrombosis]]''' (DVTs) that form in the deep veins of the legs or in the pelvic veins.
 
Since the veins return [[blood]] to the [[heart]], if a piece of a blood clot formed in a vein breaks off it can be transported to the right side of the heart, and from there into the [[lung]]s. A piece of thrombus that is transported in this way is an '''embolus''': the process of forming a thrombus that becomes embolic is called a ''thromboembolism''. An embolism that lodges in the lungs is a ''[[pulmonary embolism]]'' (PE). Deep venous thrombosis (DVT) and pulmonary embolism (PE) are manifestations of a single disease entity, namely, [[venous thromboembolism]] (VTE).
 
Systemic embolisms of venous origin can occur in patients with an [[Atrial septal defect|atrial]] or [[Ventricular septal defect|ventricular]] septal defect, through which an embolus may pass into the arterial system. This is termed a '''''paradoxical emboli'''''.
 
A pulmonary embolus is a very serious condition that can be fatal if not recognized and treated promptly.
 
==Risk factors==
*'''General'''
**Older age
**Female gender
**[[Smoking]]
**[[Obesity]]
**[[Pregnancy]]
**Immobilisation
 
*'''Medical'''
**Surgery
**[[Trauma]]
**[[Oral contraceptive]] use
**[[Varicose vein]]s
**[[Malignancy]]
**Kidney disorders
**[[Lupus anticoagulant]]
**[[Paroxysmal nocturnal hemoglobinuria]]
**[[Inflammatory bowel disease]]
**[[Thromboangiitis obliterans]]
**[[Disseminated intravascular coagulation]]
 
*'''Familial'''
**[[Antithrombin|Antithrombin III deficiency]]
**[[Protein C deficiency]]/[[Protein S deficiency]]
**APC resistance ([[Factor V Leiden]])
**Dysfibrogenemia
**Hypoplasminogenemia
**Familial homocysteinemia
 
==See also==
* [[Arterial thrombosis]]
* [[venous thromboembolism]]
* [[Deep vein thrombosis]]
* [[Pulmonary embolism]]
* [[Portal vein thrombosis]]
 
* [[Plethysmography]], a test to detect a venous thrombosis
 
{{Circulatory system pathology}}
{{SIB}}
[[Category:Hematology]]
[[Category:Cardiology]]
 
 
[[ja:静脈血栓塞栓症]]
[[pt:Trombose venosa]]
 
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Latest revision as of 14:37, 13 October 2017