pain meds 2
Card Set Information
pain meds 2
pain meds 2
naturally occuring opium alkaloid
produces profound analgesia
causes euphoria produces sedation
constricts the pupils
relieves SOB in MI
Relieves chest pain associated with
relief of serious
acute and chronic pain
pre-operative medication smooth muscle relaxant
morphine causes peripheral vasodilation
by decreasing SVR
decreases MO2 demand
morphine causes profound
morphine adverse effects
** BPH exacerbated physical/psychological dependence
high doses long duration
increased ICP from CO2 retention
secondary to respiratory depression
seizures from increased ICP
cross tolerance with other opioids
may mask gallbladder disease
do not give in suspected
gall bladder disease or pancreatic disease
biliary tract spasm sphincter of Oddi acute asthma
upper airway obstruction
severe hepatic or renal disease
Nursing Considerations Morphine
Monitor clients health condition
educate pt on drug Tx
Nursing Considerations Initial Assessment Morphine
liver function renal function
Current Med usage
Nursing Interventions Morphine
Assess LOC following medication administration
Monitor VS Pain Levels
Respiratory rate and depth
monitor injection sites
Offer additional pain relief measures
Narcon available if resp fall to 10 or less
may need to repeat doses
Nursing interventions morphine education
Reassure risk of addition is minimal
provide thorough patient education
S/S of adverse effects when to call physician
Monitor client response to morphine
Monitor for adverse effects
evaluate teaching effectiveness
monitor compliance with pain management
Naturally occuring opium alkaloid
Codeine is a Schedule ____ drug
Codeine is an
Analgesic/Antitussive(weaker than morphine)
What is mode of administration?
Effective PO, subq, IM
Codeine has a strong _________ effects antitussive
less likely to cause abuse & dependency
codiene is usually given with
acetaminophen for additive effects but causes nausea & vomiting
Demerol pharmacologic action
is similar to MS04
Demerol - 80-100 mgm =
10 mg of morphine
Is Demerol natural or synthetic?
What is the generic name for Demerol?
What is the route for Demerol for children?
What is the dosage of Demerol for children?
50-150 mg q3-4h PRN, max: 100 mg q4h
What is the route for Demerol for adults?
What is the dosage of Demerol for adults?
1-1.5 mg/kg q3-4hr PRN
Demerol produces what kind of sedation?
Demerol has a _______ duration of action than morphine.
Demerol requires more or less adm?
Demerol has _____ antitussive effect
demerol causes smooth muscle
treatment of severe pain
what is the preferred analgesic for clients with renal or biliary colic?
what is used as a short term pain management in healthy clients?
Demerol is contraindicated in
CA pain management
requires increased doses
Demerol is not recommended for pain control longer than
Demerol is considered ______ line agent
What does the active metabolite of Demerol cause?
tremors and seizures
Is Demerol reversed by Narcan?
Why is Demerol NOT recommended for PCA use?
half life too short frequent dosing required q3-4 hrs
How do opioid antagoinist work?
competes with opioid receptors sites in the brain
prevents opioid binding
displaces opioids already occupying receptor sites
what is dose of Narcan?
0.4 - 2.0 mg
repeat q 2-3 minutes due to short half-life
Reverses or blocks analgesia
reverses CNS depression
reverses resp depression
Nursing interventions of opioids antagonists
administer small doses often
repeated until client exhibits reversal of opiate effects
IV dose last 1 hr
maintain airway resuscitation
equipment immediately available
Routes for opioids antagonists
subq, IV, IM
Pharmacokinetics of opioid antagonists
Hepatic metabolism renally excreted
hepatic metabolism onset of action - IV 1-2 minutes
duration of action - IV, 1 hr IM, up to 4 hrs
Adverse effects of opioid antagonists
but serious include tachycardia