Pharm 17- Pt. controlled analgesia


A single large dose is given initially to bring levels to therapuetic window


Loading dose


Amount of drug that is self administered each time


demand dose


minimum amount of time b/w each dose. Dose can not be administered unless this has expired.


Lockout interval


A small amount is infused continuously to maintain a low level of analgesia.


Background infusion Rate


What are the primary meds used during PCA? (3)


Opioids- fentanyl, meperidine and morphine


combining nonopiods w/ opioids to decrease amount of opioids needed.


opioid sparing


Name (3) nonopioids used in "opioid sparing"


Ketorolac - NSAID Ketamine- anesthetic agent droperidol- antipsychotic


why administer naloxone during PCA?


to block certain opioid side effects


Name (2) local anesthetics used in PCA.


Bupivacaine ropivacaine


Simplest and most common method of PCA administration


Patient contolled intravenous analgesia (PCIA)


Tip of catheter lies in epidural space.


Paitent controlled epidural analgesia (PCEA)


Newest variation of PCA that uses a small patch


Patient controlled transdermal analgesia (PCTA)


Self-administers med directly into a specific site and helpls to localize it.


Patient controlled regional anesthesia


List (4) side effects of PCA


sedation pruritis GI distress respiratory depression