Medical Dictionary

hyperviscosity

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

Medical Definition of hyperviscosity

plural

hyperviscosities

  1. :  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 Medicine, 3 Feb. 2000


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