Medical Dictionary

hyperviscosity

noun hy·per·vis·cos·i·ty \ -vis-ˈkäs-ət-ē \

medical Definition of hyperviscosity

plural hyperviscosities
:excessive viscosity or thickness (as of the blood)
  • As erythrocytosis due to arterial desaturation develops … symptoms of hyperviscosity (visual disturbances, fatigue, headache, dizziness, and paresthesias) may appear.
  • —M. Elizabeth Brickner et al.The New England Journal of Medicine3 Feb. 2000

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