Patient controlled analgesia pca is a method of pain control that gives patients the power to control their pain in pca a computerized pump called the patient controlled analgesia pump which . Patient controlled epidural analgesia pcea is a related term describing the patient controlled administration of analgesic medicine in the epidural space by way of intermittent boluses or infusion pumps this can be used by women in labour terminally ill cancer patients or to manage post operative pain. What is patient controlled analgesia pca pca is a way for you to give yourself pain medicine when you feel you need it pca allows you to get pain medicine without having repeated injections a pca machine is programmed to give you pain medicine slowly through an iv pca is used to treat short . Patient controlled analgesia pca is most commonly used for intravenous opioid demand dosing although the principle can be applied to other treatment modalities eg epidural oral iontophoresis and intranasal. Patient controlled analgesia pca is a delivery system with which patients self administer predetermined doses of analgesic medication to relieve their pain since its introduction in the early 1980s the daily management of postoperative pain has been extensively optimised
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