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Dr. Andrew Rynne
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Dr. Andrew Rynne

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Will The Hepatitis-B Make False Positive D-Dimer?

I have D-Dimer positive. I have undergone CT scan for lungs, heart. Ultrasound for my legs, liver, kidney and abdomen. Liver functionality test and so many tests with blood. Everything were negative. Doctor suggested to get the D-Dimer done again next friday. I am Hep B positive. Will the Hep B make false positive D-Dimer. Please explain.
Thu, 22 Oct 2020
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General Surgeon,  's  Response
Hi,

As per your issue regarding elevated d dimer I want to know further history, like any fever, any swelling, pain abdomen, history of any bleeding.

Elevated d dimer indicates chances of blood can thickens and forms clots and blocks blood vessels. It is elevated in:
1) Thrombosis of vessels
2) Severe infection
3) Disseminated intra-vascular coagulation

If I was your treating doctor I want to know what D-dimer was done for. It is not relation to hepatitis B. False positives are very rare. Hence, it is better go with Doppler study of upper and lower limbs or consult vascular surgeon or cardiologist for complete analysis of all vessels.

Take care. Hope I have answered your question. Let me know if I can assist you further.

Regards,
Dr. Tata Lokesh Kumar, General Surgeon
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Will The Hepatitis-B Make False Positive D-Dimer?

Hi, As per your issue regarding elevated d dimer I want to know further history, like any fever, any swelling, pain abdomen, history of any bleeding. Elevated d dimer indicates chances of blood can thickens and forms clots and blocks blood vessels. It is elevated in: 1) Thrombosis of vessels 2) Severe infection 3) Disseminated intra-vascular coagulation If I was your treating doctor I want to know what D-dimer was done for. It is not relation to hepatitis B. False positives are very rare. Hence, it is better go with Doppler study of upper and lower limbs or consult vascular surgeon or cardiologist for complete analysis of all vessels. Take care. Hope I have answered your question. Let me know if I can assist you further. Regards, Dr. Tata Lokesh Kumar, General Surgeon