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Updated: Jun 21, 2026

A Multicenter MRI Protocol for the Evaluation and Quantification of Deep Vein Thrombosis
Published on: June 2, 2015
[Methods of estimating concentration of the D-dimers used in venous thromboembolism diagnosis]
Bartłomiej Walczak1, Urszula Demkow, Anna Fijałkowska
1Zakład Diagnostyki Laboratoryjnej i Immunologii Klinicznej Warszawskiego Uniwersytetu Medycznego Kierownik.
D-dimers (DD) are final products of stabilized fibrin degradation process. Elevated level of DD indicates parallel activation of both coagulation and fibrinolysis. D-dimers play important role in the diagnosis of deep vein thrombosis and pulmonary embolism. All diagnostic methods detecting DD are based on monoclonal antibodies. There are three basic techniques used to measure DD: latex agglutination, full blood agglutination and immunoenzymatic methods. Nowadays new methods based on in vivo detection of DD using antibodies labeled with technetium are under clinical evaluation.
D-dimers (DD) are final products of stabilized fibrin degradation process. Elevated level of DD indicates parallel activation of both coagulation and fibrinolysis. D-dimers play important role in the diagnosis of deep vein thrombosis and pulmonary embolism. All diagnostic methods detecting DD are based on monoclonal antibodies. There are three basic techniques used to measure DD: latex agglutination, full blood agglutination and immunoenzymatic methods. Nowadays new methods based on in vivo detection of DD using antibodies labeled with technetium are under clinical evaluation.
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In the visual method, metal-ion indicators (metallochromic dyes), which have distinct colors in their free and complex forms, are added to the mixture to signal the titration's end point. They form stable complexes with metal ions, but these complexes are weaker than the corresponding metal–EDTA complexes. As a result, EDTA...
