Capillary fragility test

Other names include capillary fragility test and beam arm test. The test exerts pressure on capillaries, and observes the comprehensive hemostatic effect of vascular wall, vascular endothelial cells, platelets and other factors. The normal blood vessel wall has a certain tolerance to the pressure of blood. If the blood vessel is brittle or the intima of the blood vessel is damaged, and the amount or quality of platelets is abnormal, most bleeding points can occur under normal pressure, which is not the case in normal people.

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