What is a D-Dimer test and why is it significant?

What is a D-Dimer test and why is it significant?

D-dimer is a blood test that measures a protein in the bloodstream associated with the breakdown of blood clots in the body. In a healthy situation, it is not detectable.

Blood vessel clotting and breakdown occurs after an injury that would cause a bruise or chronic situations such as atherosclerosis and deep vein thrombosis. It can also happen during a SARS CoV-2 infection.


Clotting was never related to traditional vaccines, but it has come into the limelight with the new SARS- CoV-2 vaccines. The AstraZeneca adenovirus vaccine was the first to be identified with causing blood clotting so it was never approved in many countries. It is now recognized that all of the mRNA vaccines can also cause some degree of blood clotting in some people.

In short, the spike protein is proving toxic even without the rest of the virus! Clotting happens most frequently in the smaller blood vessels such as those found in the lung. This explains why COVID-19 was originally thought to be a lung infection and hence its name, Severe Acute Respiratory Syndrome or SARS. Understandably, the D-dimer test has now come to the forefront of the vaccine injury debate.

Clinical signs of blood clotting are nose bleeds, rash, swelling of the arms, fatigue and changes in women’s menstrual cycles. Clot breakdown leaves one more susceptible to pulmonary embolisms, stroke and heart attacks.

It is reported that elevated D-dimer levels can remain elevated for several months. With a natural infection, the spike protein insult usually happens over a slower period of time, which allows the body to better adapt. The vaccinations, however, produce a  spike protein load immediately so the response may be exaggerated.

Your doctor can order a D-dimer test for you. In an ideal world, testing before, just after and a few months later would give one a better picture. More research will be emerging as the pandemic marches on.



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