patient-controlled analgesia

Pronunciation: (PAY-shunt-kun-TROLD AN-ul-JEE-zee-uh)

A method of pain relief in which the patient controls the amount of pain medicine that is used. When pain relief is needed, the person can receive a preset dose of pain medicine by pressing a button on a computerized pump that is connected to a small tube in the body. Also called PCA.

Definition from: Cancer.gov

Date last modified: 2007-04-10