An excess of blood in the vessels supplying an organ or other part of the body.
- ‘In this case there was hyperaemia due to the antibiotic reaction.’
- ‘The reduced average skin blood perfusion is attributable to blunting of hyperemia when relief pressure is too high.’
- ‘The physician thoroughly examines the esophagus for signs of inflammation, hyperemia, ulcerations, or strictures.’
- ‘Heat should not be applied to an acutely injured ankle joint because it encourages swelling and inflammation through hyperemia.’
- ‘However, in a pilot study, the instrument successfully measured reactive hyperemia following pressure in healthy volunteers.’
Mid 19th century: from hyper- above normal + -emia.