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 ...

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 ...

Does an elevated ultrasensitive D-dimer level in a patient whose pre-test probability puts him at low risk for pulmonary embolus (PE) indicate an increased risk for PE or deep venous thrombosis (DVT)?