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Blood plasma viscosity7/21/2023 These studies demonstrate increased blood viscosity and red blood cell aggregation, which may constitute an important hindrance to flow. The mean RBC viscosity and the relative viscosity were significantly ( P <.01) elevated over normal controls, as were fibrinogen and the globulins. The mean plasma viscosity was significantly ( P <.01) elevated over established normal controls. Concentrations of the plasma globulins and fibrinogen were also measured. The relative viscosity, an index of RBC aggregation, was obtained by dividing the RBC viscosity in autologous plasma (at a hematocrit value of 45%) by the plasma viscosity. The relationship between shear rate and apparent viscosity of a suspension of erythrocytes in plasma was studied by Shu Dog 1. In autologous plasma, over a wide range of shear rates. Serum is similar to plasma, except that the blood is drawn. Plasma viscosity is tested using a rotating or capillary viscometer using the separated plasma only. Plasma viscosity is tested using a rotating or capillary viscometer using the separated plasma only. Viscosity measurements were performed on whole blood, plasma, and suspensions of 45% red blood cells (RBCs). The plasma contains the dissolved proteins, clotting factors, and other suspended materials in water. Sixteen patients had scleroderma, two had nonspecific angiitis, one had systemic lupus erythematosus, and one had Raynaud disease. OBJECTIVES To review the possible role of increased plasma viscosity and decreased cellular deformability in the pathogenesis of atherosclerotic coronary artery. Barbenel University of Strathclyde Request full-text No full-text available Citations (30). Blood viscosity, a measure of the resistance of blood flow, related to its thickness and stickiness, is one of the main biophysical properties of blood. The rheology of the blood was studied in 20 patients with Raynaud syndrome. Increased fibrinogen level, whole blood viscosity, and plasma viscosity, which are major factors that determine blood rheology, have been reported as risk factors or predictors for various cardio- or cerebrovascular events 111.
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