[hyper- + -emia]
1. An unusual amount of blood in a part; congestion.
2. A form of macula in which red areas on the skin disappear on pressure.
3. In physical therapy, an increase in the quantity of blood flowing through any part of the body, shown by redness of the skin caused by the application of heat.
Hyperemia caused by increased blood inflow.
SYN: SEE: arterial hyperemia
SEE: Active hyperemia.
Bringing of blood to the superficial tissues by means of counterirritation, as by coining, cupping, or acupuncture.
SEE: Bier hyperemia.
Hyperemia caused by decreased drainage of blood.
SYN: SEE: venous hyperemia
The increased flow of blood into an ischemic tissue area after restoration of blood flow.
SEE: Passive hyperemia.