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118 Cards in this Set

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Who defined pain as "an unpleasant sensory or emotional experience associated with actual or potential tissue damage, or described in terms of such damage?"
International Association for the Study of Pain (IASP)
How is pain protective?
It warns us of potential injury to the body.
Who defined pain as "whatever the person says it is, and existing whenever the person says it does"
Margo McCaffrey
Arises in the skin or subcutaneous tissue.
Cutaneous or superficial pain.
Example of cutaneous pain
-paper cut
-touching hot object
Caused by the stimulation of deep internal pain receptors.
visceral pain
Examples of visceral pain
menstrual cramps, labor pain, GI infections, organ cancers
Where is visceral pain most often experienced?
abdominal cavity, cranium, or thorax
Originates in the ligaments, tendons, nerves, blood vessels, and bones.
deep somatic pain
Examples of deep somatic pain
sprain, arthritis, fracture, bone cancer
occurs in an area distant from the original site
referred pain
example of referred pain
feeling the pain of an MI not in the arm or jaw rather than the chest
Name three ways to classify pain.
1. site of pain
2. cause of pain
3. duration of pain
What are the two causes of physical pain?
-nociceptive pain
-neuropathic pain
What is the most common type of pain experienced
nociceptive pain
Nociceptive pain occurs when these pain receptors respond to stimuli that are potentially damaging.
nociceptors
Name the causes of nociceptive pain
trauma, inflammation, surgery
Complex and often chronic pain that arises when injury to one or more nerves results in repeated transmission of pain signals even in the absence of painful stimuli
neuropathic pain
Example of causes of neuropathic pain
diabetic neuropathy, tumor, stroke, viral infection
What is a type of medication that can trigger neuropathic pain
chemotherapy
Name three ways to classify the duration of pain
acute, chronic, intractable
Type of pain that has a short duration and is generrally rapid in onset.
Acute pain
Acute pain ________ in intensity and may last up to ________ months
-varies
-6
Acute pain is most often associated with what (2 answers)
-trauma
-surgery
How is acute pain protective
It indicates potential or actual tissue damage
What is helpful for the patient to know regarding acute pain
that it will disappear as the tissues heal
pain that has lasted 6 months or longer and interferes with daily activities is called
chronic pain
patients with chronic pain may experience periods of ____________ or __________
-remission
-exacerbation (worsening)
examples of words used to describe pain
dull, sharp, aching, burning, stabbing, throbbing, tingling, episodic, intermittent, constant, mild, distracting, moderate, severe, or intolerable
What has the highest density of nociceptors?
the skin
what has the least density of nociceptors
internal organs
what is the procedure in which nociceptors become activated?
transduction
external forces that result in pressure or friction against the body
mechanical stimuli
involve strecthing of tissue in joints and body cavities related to bleeding and swelling, and compression of body tissues caused by the force of the accident
mechanical stimuli
surgical incisions, friction, skin shearing, or pressure from a mechanical device are examples of
mechanical stimuli
result from exposure to extreme heat or cold
thermal stimuli
can be internal or external. external would be lemon juice on a cut; internal would be chest pain experienced during a heart attack
chemical stimuli
What is the single greatest cause of pain
inflammation
the process in which peripheral nerves carry the pain message to the dorsal horn of the spinal cord
transmission
what are the two types of fibers that conduct pain along the the spinal cord
-A-delta fibers
-C fibers
large diameter mylenated fibers that transmit fast pain
A-delta fibers
A-delta fibers transmit pain from which stimuli
acute, mechanical, thermal
two examples of A-delta fiber pain
bumping your knee, pleasurable stimuli such as massage
smaller unmylenated fibers that transmit slow pain
C fibers
Which type of stimuli do C fibers conduct
mechanical, thermal, and chemical
example of C fiber pain
the lingering ache that occurs after you bump your knee
most pain impulses are transmitted to which area of the brain
the thalamus
involves the recognition and definition of pain
perception
where in the brain does perception occur
frontal cortex
the point at which the brain recognizes and defines a stimulus as pain
painn threshold
repeated experience with pain can __________ a person's threshold
reduce
the duration or intensity of pain that a person is willing to endure
pain tolerance
tolerance varies from person to person, but for the ______ person in different situations
same
give an example in which pain tolerance would vary WITHIN the same individual
Someone with post-op pain from kidney removal might complain of pain less if it was donated to a loved one rather than if it were removed due to cancer
extreme sensitivity to pain is called
hyperalgesia
Explain how the gate control theory works
-normal (unmodulated pain) travels down the SLOW C fibers
-when you experience pain and provide a nonpainful stimulus (rubbing your finger after hitting it with a hammer), the stimulus travels on the faster A-delta fibers
-the non painful stimulus gets there faster, and can block the transmission of some of the pain travelling on the slow C fibers
Name four factors that influence pain
-emotions
-developmental stage
-sociocultural factors
-cognitive and communication factors
Name five common emotions associated with pain
fear, guilt, anger, helplessness, and loneliness
some people feel that if they accept pain medication they will become __________
addicted
depression is most commpnly link with ___________ pain, especially intractable pain
chronic
Name two interventions that may aid in pain relief
reflective listening
gentle touch
What three words seem to be used across many cultures to describe pain?
-pain
-hurt
-ache
Why are patients with impaired cognitive and communication abilities at risk for underassessment of pain and inadequate pain relief?
they are unable to express their needs verbally
What do you use as a form of self-reporting of pain from individuals with cognitive and communicative impairments
nonverbal cues (facial expressions, vocalizations, changes in physical activity, changes in routines, mental status changes)
At the onset of acute pain, the body automatically activates what, triggering the fight or flight response.
the sympathetic nervous system
If chronic pain persists, the body adapts, and this takes over
the parasympathetic nervous system
Ongoing pain triggers the release of excessive amounts of hormones. Name 6 of them.
1. ACTH
2. Growth Hormone
3. Cortisol
4. ADH
5. catchecholamines
6. glucagon
In ongoing pain, do insulin and testosterone levels increase or decrease
decrease
Pain causes _______, the involuntary limiting of thoracic and abdominal movement in an effort to reduce pain
splinting
You should assess for pain __________ implementing a pain management intervention (eg, administering an analgesic) and ____minutes after the intervention
-before
-30
List two NANDA nursing diagnoses used when pain is the primary focus of the problem
-Acute pain (anticipated duration of less than six months)
-chronic pain (more than months)
Pain assessments should be made how long after administering an oral administration
30 to 60 minutes
Why will you have to assess pain for an injection differently than for an oral medication
the injection works more quickly
Cutaneous stimulation is based on which method of pain relief
gate control theory
A battery-powered device about the size of a pager that is worn externally
TENS (or a strap-on vibrator :))
Similar to a TENS, but uses a needle proble to stimulate peripheral sensory nerves
PENS
The use of long, slow, guiding strokes in massage. It is used during labor and as back rubs for postsurgical patients
effleurage
If you are using heat or cold therapy and see extreme redness, blistering, cyanosis, or blanching , you should do what
1. discontinue the treatment immediately
2. notify the physician
(IN THAT ORDER)`
Involves stimulating the skin in an area opposite to the painful site. Helpful in patients who have a cast, bandages, an area painful to the touch or phantom pain.
-contralateral stimulation
When using splints, you must remember to remove the splints at __________ intervals so that the patient can exercise the area to prevent further injury
regular
True or False: It is okay to use distraction in place of analgesics in certain patients
FALSE: You should never use distraction in place of analgesics
Guided imagery can be used for acute, chronic, physical, or psychological pain, but for which type is it more effective?
chronis
type of touch in which the nurse gives energy to the patient
therapeutic touch
does therapeutic touch require physical contact
no
What two things are important to consider when using humor?
that it is in good taste an age appropriate
650 mg of aspirin or aceteminophen may relieve as much pain as _______ mg of oral meperidine or ___ to ___ mg of oxycodone
-50
-3 to 5
combining 2 ________ is not recommended because it increases the risks of side effects and may not be more effective
NSAIDs
taking a small daily dose of _________ to prevent MIs does not seem to be a risk for patients taking other NSAIDs
aspirin
One of the most common side effects of taking NSAIDs is what?
gastric irritation
How can gastric irritation from taking NSAIDs be helped
-taking it with food
-taking enteric coated tablets
__________, even in recommended doses, can cause severe hepatotoxicity in patients who consume alcohol and in patients with liver disease
acetaminopohen
psychological dependence, or addiction, occurs in less than _______% even after long-term prescriobed use of opioids for pain
1%
you should monitor postoperative patients who receive opioids for sedation and respiratory depression every ___ to ______ hours during the first 12 to 24 hours after surgery.
1 to 2 hours
These stimulate Mu receptors and are used for acute, chronic, and cancer pain.
Mu agonists
codeine, morphine, hydromorphine(Dilaudid), fentanyl, methadone, and oxycodone are examples of
Mu agonists
When assessing respiratory depression and drowsiness, reduce the opioid _____% if analgesia if adequate
25%
to prevent drowsiness when using opioids, offer stimulants such as ____ during the daytime
caffeine
to increase peak concentration of opioids offer a ________ dose more frequently
lower
this route of opoid administration is preferred unless rapid onset of analgesia is required
oral
the transdermal route of opioid administration delivers a continuous release of the drug for up to how many hours
72
This opioid is commonly given as a transdermal pouch
Fentanyl (Duragesic)
Transdermal patches should be used carefully in _______ patients, because their increased temperature will increase absorption of the drug
febrile (high fever)
When is rectal administtration of opioids useful
when the patient is vomiting, has a GI obstruction, or is at rosk for aspiration with oral meds
The SubQ route of administering opioids may be used when
intermittently and continuous administration
what are the most commonly used SubQ opioids
hydromorphine and morphine
why are IM opioids used less frequently
they are painful, the onset of action is slow, and the absprption is unreliable
why should IM opioids be avoided in children
because they are painful and children will often refuse pain meds to avoid the pain of the injection
this route of administering opioids provides immediate pain relief and is desirable for acute or escalating pain
IV
IV opioids are commonly used for _______ ________ use and for hospitalized patients who can be closely monitored
short-term
PCA pumps are helpful because they give the patients a sense of _______ over pain
control
most PCA pumps can be programmed with ______ or _____ hour medication limits
1 or 4 hours
In intraspinal analgesics, which space is preferred because it poses less risk of complications
the epidural space
drugs in this category include anticonvulsants, antidepressants, local anasthetics, topical agents, etc; they can be used as primary therapy or in conjunctio with opioids
adjuvant analgesics
a type of regional anasthesia in which an anaesthetic agent is injected into or around the nerve that supplies sensation to a particular part of the body
nerve blocks
the injection of local anasthetics and long acting agents
local anasthesia
involves applying an agent that contains cocaine, lidocaine, or benzocaine directly to the skin, mucous membrannes, wounds, or burns
topical anasthesia
why should you include the family when teaching about pain
pain is a barrier to learning (the family may be able to take in information that the patient can due to his/her pain)
why should you document the pain management plan and the patient's responses
because if you don't document it, it's the same as if you didn't do it.