Pain Management Flashcards
(34 cards)
Definition: tissue injury thar activates specific pain receptors
nociceptive pain
What are the two types of nociceptice pain?
somatic & visceral
List the characteristics of visceral pain. (2)
associated with internal organs; hard to pinpoint exact location
What is the main characteristic of somatic pain?
easy to pinpoint the exact location of the pain
How will patients usually describe nociceptive pain?
dull, throbbing, stabbing, aching
Definition: pain due to damage of the nerves
neuropathic pain
How will patients usually describe neuropathic pain?
burning, numbness, tingling
List the questions involved in pain assessment.
Onset; provokes; quality; radiate; severe; time; understanding
What question should you always ask patients before prescribing opioids?
Are you having regular bowel movements?
What would you give a patient who rates their pain as a 7-10?
opioids
What would you give a patient who rates their pain as a 4-6?
combination products/mild opioids
What would you give a patient who rates their pain as a 1-3?
non-opioids (acetaminophen, NSAIDs)
What is the max dose of morphine?
Trick question: there isn’t one
How are morphine metabolites excreted?
renally (do not use in patients with renal insufficiency)
Does oxycodone have an IV formulation?
no
What metabolizes oxycodone?
CYP2D6
What is the most potent opioid?
fentanyl
Can patients with renal and/or hepatic dysfunction use fentanyl?
yes
In what patient populations would you use methadone? (3)
pain refractory to opioids; neuropathic pain; low cost is important
What is important to think about with methadone? (hint: half-life)
half-life is very unpredictable; risk of QT prolongation
When switching between opioids, how much should you dose-reduce?
25%
What should all opioid patients be on?
bowel regimen consisting of a stimulant laxative and stool softener
Which opioid most commonly cause pruritus?
morphine
Do patients develop tolerance to constipation due to opioid use?
No