What is the role of coagulation studies in the workup of deep venous thrombosis (DVT)?

Updated: Jun 06, 2019
  • Author: Kaushal (Kevin) Patel, MD; Chief Editor: Barry E Brenner, MD, PhD, FACEP  more...
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Answer

Additional blood work should include coagulation studies to evaluate for a hypercoagulable state, if clinically indicated. A prolonged prothrombin time or activated partial thromboplastin time does not imply a lower risk of new thrombosis. Progression of deep venous thrombosis and pulmonary embolism can occur despite full therapeutic anticoagulation in 13% of patients.


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