Deep vein thrombosis other imaging findings: Difference between revisions
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#Compression [[medical ultrasonography|ultrasound]] scanning of the leg veins combined with duplex measurements (to determine blood flow) | #Compression [[medical ultrasonography|ultrasound]] scanning of the leg veins combined with duplex measurements (to determine blood flow) | ||
#A [[Medical ultrasonography|Doppler USG]] detects thrombus within a vein. | #A [[Medical ultrasonography|Doppler USG]] detects thrombus within a vein. | ||
*'''Normal vein''':free of internal echoes, compresseble. | :*'''Normal vein''':free of internal echoes, compresseble. | ||
*'''Acute DVT''':internal echoes are present, non compressible vein. | :*'''Acute DVT''':internal echoes are present, non compressible vein. | ||
With the color flow Doppler, motion and the direction of flow are assessed in a far better way. | With the color flow Doppler, motion and the direction of flow are assessed in a far better way. | ||
Revision as of 18:04, 1 February 2013
Editor(s)-In-Chief: The APEX Trial Investigators, C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-In-Chief: Cafer Zorkun, M.D., Ph.D. [2] ; Kashish Goel, M.D.; Assistant Editor(s)-In-Chief: Justine Cadet
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Overview
A number of invasive and non-invasive approaches are possible.[1]
Other Imaging Findings
Imaging Techniques
- Impedance plethysmography[2] : A venous thrombosis alters the normal response to temporary venous obstruction in a highly characteristic way. It causes a delay in emptying of the venous system after the release of the tourniquet.
- Doppler ultrasonography
- Compression ultrasound scanning of the leg veins combined with duplex measurements (to determine blood flow)
- A Doppler USG detects thrombus within a vein.
- Normal vein:free of internal echoes, compresseble.
- Acute DVT:internal echoes are present, non compressible vein.
With the color flow Doppler, motion and the direction of flow are assessed in a far better way.
References
- ↑ Snow V, Qaseem A, Barry P, Hornbake ER, Rodnick JE, Tobolic T; et al. (2007). "Management of venous thromboembolism: a clinical practice guideline from the American College of Physicians and the American Academy of Family Physicians". Ann Intern Med. 146 (3): 204–10. PMID 17261857.
- ↑ Line BR (2001). "Pathophysiology and diagnosis of deep venous thrombosis". Semin Nucl Med. 31 (2): 90–101. PMID 11330789.