perfusion

Etymology

From Middle French perfusion, from Latin perfusio (“the act of pouring over”).

noun

1. The act of perfusing, the passage of fluid through the circulatory system.
   If there is no pulse, or if the pulse rate is less than 60 beats per minute with signs of poor perfusion (eg, poor skin color, unconscious), perform CPR. 2007, Benjamin Gulli, Stephen J. Rahm, Professional Rescuer CPR, Jones & Bartlett Learning, page 45
2. (medicine) The introduction of a drug or nutrients through the bloodstream in order to reach an internal organ or tissues.