D dimer is a blood test that evaluates levels of a protein fragment when there’s a clot hanging around in the bloodstream. If this level is elevated, it’s often a tip-off that there was a tiny blood ...

A D-dimer test checks for certain proteins in the blood to rule out certain clotting disorders. (Photo credit: Science Photo Library/Getty Images) A D-dimer test is a blood test that can be used to ...

Although D-dimer results within a typical range can rule out pulmonary embolism, high results alone can’t diagnose this condition. Doctors usually need to run extra tests to make a diagnosis. A ...

Editor's note: Find the latest COVID-19 news and guidance in Medscape's Coronavirus Resource Center. The plasma D-dimer assay has been used, along with clinical prediction scores, to rule out ...

It is best to base ᴅ-dimer testing on a patient's clinical pretest probability (C-PTP) for deep vein thrombosis (DVT), rather than testing all patients who present with symptoms of first DVT episode.

Dear Dr. Roach: What are D-dimers? Are they something I should be concerned about? I am an 83-year-old male with the usual problems that men my age have, such as an enlarged prostate, high blood ...

A D-dimer test is a lab test that helps diagnose blood clotting conditions. The test measures the levels of a protein fragment that remains in your blood after multiple blood clots break down. A high ...