Venous thromboembolism laboratory tests

Editors-in-Chief: C. Michael Gibson, M.S., M.D. Associate Editor-In-Chief: Ujjwal Rastogi, MBBS [mailto:urastogi@perfuse.org]

Overview

 * Arterial blood gas
 * Plasma D-dimer
 * Plasma D-dimer>500 ng/ml, PE present (Found to be 97% sensitive and 45% specific)
 * Plasma D-dimer<500 excludes PE (Have a high negative predictive value)
 * Workup for hypercoagulation: which include
 * Activated protein C resistance
 * factor V Leiden mutation
 * Protein C
 * protein S, free and total.
 * Antithrombin
 * Lupus anticoagulant
 * Anticardiolipin antibodies
 * Plasma homocysteine values

Related Chapters

 * Pulmonary embolism
 * Deep vein thrombosis