How to read a blood rheology examination report

A blood rheology examination report:


This refers to the ratio of blood cells to plasma in the blood, and it reflects the blood concentration. Increased hemocrit indicates thicker, more viscous blood, which is common in cerebral vascular diseases and polycythemia. Decreased hemocrit means thinner blood, with a corresponding decrease in blood viscosity, suggesting blood loss or anemia. Normal values: males 0.42-0.47, females 0.39-0.40.

How to read a blood rheology examination report
How to read a blood rheology examination report

Whole blood viscosity:

This reflects the blood’s viscosity, with higher viscosity leading to poorer fluidity. Increased whole blood viscosity suggests increased red blood cell aggregation, poor deformability or elasticity of red blood cells, and arterial wall hardening and roughness. Normal values: low shear, males 7.5-10.0, females 5.8-8.1; high shear, males 5.6-6.7, females 4.7-6.01.

Whole blood reduced viscosity:

This reflects the ability of blood cells to produce viscosity. Normal values: low shear, males 14-20, females 12-21; high shear, males 10-13, females 9-13.

Plasma viscosity:

This reflects the impact of large molecules (fibrinogen, globulin, triglycerides) in the blood on blood cell viscosity. Normal value: 1.64-1.78.

Erythrocyte electrophoresis time reflects the aggregation of blood cells. The shorter the time, the more positive charge there is on the surface of red blood cells, and the more dispersed they are, reducing aggregation. Prolongation of electrophoresis time is common in cerebral vascular disease, coronary heart disease, and arteriosclerosis. Normal: 13~17.4s.

Erythrocyte sedimentation rate is related to plasma density, viscosity, and aggregation force between red blood cells. In normal conditions, men: 0~21mm/h, women: 0~38mm/h.

Erythrocyte sedimentation rate equation K value, K value business reflects the enhancement of red blood cell aggregation.

Fibrinogen, during blood coagulation, fibrinogen polymerizes into fibrin polymers, with a “bridge” phenomenon occurring between them. It plays an important role in thrombosis formation in arteries and reflects the coagulability of blood. Normal: 2.4-3.7g/L.

Red blood cell deformability, a low value indicates the presence of hemolytic anemia, vascular diseases, diabetes, and liver disease.

Red blood cell rigidity index, the higher the rigidity index, the less the red blood cells deform, and it is one of the reasons for high blood viscosity. Normal for men: 7.16, women: 7.14.

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