Deep vein thrombosis resident survival guide: Difference between revisions
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{{Family tree| | | F01 | | F02 | | F03 | | F04 | | | | F05 | | | F06 | | | | |F01=Negative|F02=Positive|F03=Negative|F04=Positive|F05=Negative|F06=Positive}} | {{Family tree| | | F01 | | F02 | | F03 | | F04 | | | | F05 | | | F06 | | | | |F01=Negative|F02=Positive|F03=Negative|F04=Positive|F05=Negative|F06=Positive}} | ||
{{Family tree| | | |!| | | |!| | | |!| | | |!| | | | | |!| | | |,|^|-|.| | |}} | {{Family tree| | | |!| | | |!| | | |!| | | |!| | | | | |!| | | |,|^|-|.| | |}} | ||
{{Family tree| | | G01 | | G02 | | G03 | | G04 | | | | G05 | | G6| | G7| |G01=No DVT|G02=Treat|G03=Repeat in 7 days|G04=Treat|G05=No DVT| | {{Family tree| | | G01 | | G02 | | G03 | | G04 | | | | G05 | | G6| | G7| |G01=No DVT|G02=Treat|G03=Repeat in 7 days|G04=Treat|G05=No DVT|G6=Repeat in 7 days|G7=U/S}} | ||
{{familytree/end}} | {{familytree/end}} | ||
Revision as of 22:34, 26 November 2013
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Definition
Deep vein thrombosis (also known as deep venous thrombosis or DVT and colloquially referred to as economy class syndrome) is the formation of a blood clot ("thrombus") in a deep vein. The risk is significantly increased if the thrombus embolizes to the lungs, causing pulmonary embolism.
Causes
Life Threatening Causes
Common Causes
- long term immobility
- clotting disorders
- Cardiac failure
- Hip replacement
- Estrogen in OCP and HRT
- nephrotic syndrome
- Obesity
- Pregnancy
Diagnostic approach
| Pretest Probability of DVT Major points *Active cancer | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| low* | Moderate* | High* | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| D-Dimer | D-Dimer | U/S | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Negative | Positive | Negative | Positive | Negative | Positive | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| No DVT | U/S | No DVT | U/S | Repeat in 7 days | D-Dimer | Treat | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Negative | Positive | Negative | Positive | Negative | Positive | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| No DVT | Treat | Repeat in 7 days | Treat | No DVT | Repeat in 7 days | U/S | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||