Thrombosis causes
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Site of Thrombosis |
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Thrombosis causes On the Web |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Thrombosis is caused by abnormalities in one or more of the following (Virchow's triad): the composition of the blood (hypercoagulability or thrombophilia), quality of the vessel wall (endothelial cell injury), and/or nature of the blood flow (stasis, turbulence).
Causes
Rudolf Virchow noted several factors affecting the clot formation, which are as follows:
1) Alterations in blood flow (stasis): Blood flows throughout the circulatory system, without significantly stopping or slowing any where. In certain pathological conditions where the blood flow slows down or stops, it causes:
- Increase in platelet to endothelium contact
- Decrease the dilution of clotting factors
This increases the risk of clot formation and form microthrombi, which further grow and propagate.
2) Injury to the vascular endothelium: Intrinsic or secondary to external trauma (eg, catheterization) can cause intimal damage and stimulates clot formation. See Coagulation.
3) Alterations in the constitution of blood (hypercoagulability): It is the propensity to develop thrombosis due to an abnormality in the system of coagulation.
These three conditions are collectively known as Virchow's triad and lead to intravascular coagulation, forming a mass of red blood cells, leukocytes, and fibrin.
This video explains the process of thrombosis:
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Life Threatening Causes
Common Causes
Causes by Organ System
| Cardiovascular | No underlying causes |
| Chemical/Poisoning | No underlying causes |
| Dental | No underlying causes |
| Dermatologic | No underlying causes |
| Drug Side Effect | Ethynodiol diacetate and ethinyl estradiol, Desmopressin |
| Ear Nose Throat | No underlying causes |
| Endocrine | No underlying causes |
| Environmental | No underlying causes |
| Gastroenterologic | No underlying causes |
| Genetic | No underlying causes |
| Hematologic | No underlying causes |
| Iatrogenic | No underlying causes |
| Infectious Disease | No underlying causes |
| Musculoskeletal/Orthopedic | No underlying causes |
| Neurologic | No underlying causes |
| Nutritional/Metabolic | No underlying causes |
| Obstetric/Gynecologic | No underlying causes |
| Oncologic | No underlying causes |
| Ophthalmologic | No underlying causes |
| Overdose/Toxicity | No underlying causes |
| Psychiatric | No underlying causes |
| Pulmonary | No underlying causes |
| Renal/Electrolyte | No underlying causes |
| Rheumatology/Immunology/Allergy | No underlying causes |
| Sexual | No underlying causes |
| Trauma | No underlying causes |
| Urologic | No underlying causes |
| Miscellaneous | High altitude[1] |
Causes in Alphabetical Order
References
- ↑ Kuipers S, Cannegieter SC, Middeldorp S, Robyn L, Büller HR, Rosendaal FR (2007). "The absolute risk of venous thrombosis after air travel: a cohort study of 8,755 employees of international organisations". PLoS Med. 4 (9): e290. doi:10.1371/journal.pmed.0040290. PMC 1989755. PMID 17896862.
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