Abstract. With the development of hemorrhagic shock due to a drop in blood pressure, blood flow slows down. Perfusion of vital organs deteriorate. All this leads to hypoxia, decreased pH, appear stasis develops hemorheology severe pathology. The article examines the dynamics of physical (rheological) properties of blood depending on the amount of blood loss.

Keywords: physical (rheological) properties of blood, blood viscosity, erythrocyte aggregation.