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D-Dimer Quantitative is a test which is used to assess the concentration of either D-Dimer or FEUs(Fibrinogen-equivalent units) depending on the calibration method. It is an efficient and cost-effective method.

What is D-Dimer Quantitative?

D-Dimer Quantitative is useful for finding out the chances of pulmonary embolism among patients with a low probability of the condition. Results are given either as mg/L D-Dimer or as mg/L FEU. It is a sensitive test that provides very accurate results. It is used to exclude venous thromboembolism (VTE) in outpatients.

Why is D-Dimer Quantitative suggested?

The D-Dimer Quantitative test is suggested in patients who are suspected to have an increased D-Dimer level as a result of the following reasons:

  • Acute aortic dissection.
  • Veins thrombosis and inappropriate blood clotting.
  • Shortness of breath and
  • Chest pain and high BP.
  • Disseminated Intravascular c

How is D-Dimer Quantitative performed?

D-Dimer Quantitative test involves the following steps:

  • Blood samples are taken.
  • Plateletfree plasma is obtained.
  • Latex particles coated with anti D-Dimer MoAbs are mixed with plasma.
  • Difference in the result gives information about the D-Dimer quantity.

What parameters are measured in D-Dimer Quantitative?

The following parameters are measured in the D-Dimer Quantitative test:

  • A cutoff value is determined by clinical studies and will be validated by management studies.
  • A diagnostically sensitive method is employed to avoid too many imaging tests.
  • Good reproducibility near the cutoff value.
  • Quantitative results.

Preparation before performing the D-Dimer Quantitative test

No special preparation is needed. However, the blood samples may need to be citrated.

Post-care after D-Dimer Quantitative

The test requires no post care. If the D-Dimer level is high,

  • Further tests should be considered.
  • A doctor should be consulted.
  • Necessary precautions should be taken

Sample types in D-Dimer Quantitative

This test requires the following samples:

  • Blood samples
  • Plateletfree plasma samples

Side effects/risks of D-Dimer Quantitative

There are no side effects. However, the following issues can occasionally arise:

  • False negative or positive reading can occur.
  • Blood tests can be painful.

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