Blood viscosity analysis

What is a normal blood viscosity?

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What is a normal blood viscosity?

Blood is a non-Newtonian, shear thinning fluid with thixotropic and viscoelastic properties. Many cardiovascular handbooks consider blood viscosity values between 3.5 and 5.5 cP to be normal.

Blood viscosity analysis

The plasma viscosity test is used to measure the viscosity or density of the blood, which is affected by the amount of protein in the fluid plasma portion of the blood, which increases with inflammation or infection, so blood viscosity analysis may indicate the degree of inflammation in the body.

This test can also detect the presence of abnormal proteins produced by benign or malignant tumors, such as: fibrinogen – which increases inflammation – or immunoglobulins – which are secreted by some tumors – and cause high plasma viscosity.

Plasma viscosity testing is necessary to diagnose chronic inflammatory diseases, such as temporal arteritis and polymyalgia rheumatica.

The blood viscosity analysis is not a complicated test that requires a lot of effort, as a sample of blood is drawn from a vein in the hand, so it does not require much preparation or hospitalization.

Normal levels for blood viscosity analysis

The ideal levels of blood viscosity for adults are between 1.50-1.72 mlPa, and for children aged between one day and three years, it is between 1.25-1.47 mlPa.

Low or high levels of these levels in people may mean that they are within abnormal levels of blood viscosity, the results may indicate infection or inflammation , and may indicate more specifically the presence of proteins associated with myeloma or lymphoma, but the doctor will not make a definitive diagnosis before the procedure More medical tests. 

It is worth noting, that very high levels of blood viscosity may increase the risk of some serious medical conditions, such as: angina or stroke.

The importance of blood viscosity analysis for corona patients

The probability of infection with blood clots in corona patients (COVID-19) increases as a result of high blood viscosity due to an excess of one of the blood proteins known as fibrinogen, as its percentage increases in corona patients from 1.9 to 4.2 ml Pa.

Fibrinogen promotes the accumulation of red blood cells, which increases the viscosity of the blood exponentially in the vascular areas of the arteries, making them prone to thrombosis.

The appropriate treatment for blood clotting in corona patients may be to perform a plasmapheresis and obtain a plasma injection, this can improve the integrity of the affected tissues and provide them with oxygen, which in turn reduces the infection of corona patients with coagulation complications.

Other important tests besides blood viscosity analysis

After you learned about the importance of blood viscosity analysis for corona patients in diagnosing blood clotting, here are other methods of diagnosing blood clotting that doctors may resort to:

  • physical examination 

If your doctor suspects you may have a blood clot, he or she may look for symptoms to ascertain the underlying cause and treat it.

Your medical and family history will also be reviewed if you have a family member with a history of frequent blood clots before age 40, blood clots during pregnancy, while taking birth control pills, or an unexplained miscarriage.

  • blood tests

Your doctor may order basic blood tests, such as a complete blood count and a platelet count , which measures the number of red blood cells, white blood cells and platelets in your blood that stick together to form clots.

source : wikipedia

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