Hyperviscosity syndrome

Hyperviscosity syndrome refers to a series of unique clinical symptoms that occur due to a significant increase in blood viscosity and an increase in hemodynamic resistance. It is manifested as visual impairment due to fundus vein expansion, localized stenosis, bleeding and exudation. Dizziness, dizziness, deafness, numbness of hands and feet, and disturbance of consciousness. In severe cases, coma may occur; abnormal heart, lung, and kidney functions may occur; Raynaud's phenomenon can be caused.