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88 Cards in this Set

  • Front
  • Back
impervious to therapuetic interventions
intractable pain
related to tissue injury ans will abate with healing
acute pain
lasts longer than 6 months
chronic pain
shooting or stabbing resulting from disorder of the peripheral or central nervous system
neuropathic pain
received at the source and extends to nearby tissues
radiating pain
process of transmitting a pain signal from site of tissue damage to areas of the brian
noiception
pain transmission of a pain signal from the site of injury to the higher brain centers via a nervous system that has been temporarily or permenantly damaged in some way.
neuropathic pain
Dorsal horn cells act as a gate, closing to prevent nociceptive impulses from reaching the brain or opening to allow impluses to transmit to the brain. Opening the gate is influenced by the A-delta and C- fibers and closing the gate is innfluenced by the activity of the large A-alpha and A-beta fibers, the reticular formation in the brain stem other brain sites and cerebral cortex.
gate control theory
Amount of pain stimulation a person requires before feeling it
pain threshold
Highest intensity of pain that a person is willing to tolerate
pain tolerance
Characteristic of pain-Superficial or cuteneous (pain emanates from the skin or from tissues close to the surface)
location
characterisitc of pain- the magnitude or amount of pain perceived by the person; Scale 1-10
intensity
characteristic of pain- how pain feels to the client
quality
when pain starts
onset
how long pain lasts
duration
increase at night and may cause depression
chronic pain
perceived in body part that is missing e.g. amputated limb or spinal cord injury. Incidence
can be reduced when analgesics are admin. Via epidural prior to amputation
phantom pain
Mild to Severe
Sympathetic nervous system responses:
Increased pulse & respiratory rates
Elevated blood pressure
Diaphoresis
Dilated pupils
Related to tissue injury, resolves with healing
Client appears restless & anxious –reports pain
acute pain
Mild to Severe
Parasympathetic nervous system responses:
Vital Signs normal
Dry, warm skin
Pupils, normal or dilated
Continues beyond healing
Client appears depressed/withdrawn
Often does not report pain unless asked
Pain behavior often absent
chronic pain
TYPE OF PAIN? originates in the skin or subcutaneous tissue
cutaneous pain
arises from ligaments, bones, blood vessels, nerves – ex. Sprain.
deep somatic pain
diffuse & often feels like deep somatic pain that is burning aching or a feeling of pressure –
cause by stretching of the tissues, ischemia or muscle spasm. – ex. Obstructed bowel.
visceral pain
Trigeminal Neuralgia – intense stab like pain distributed by 1 or more
branches of the 5th cranial nerve – experiences on parts of the face & head
central pain syndromes
considered the same as pain threshold; pain reaction includes the autonomic nervous system
pain sensation
causes direct activation of the nociceptors, the release of histamine & vasodilation &
increased capillary permeability – also stimulates the release of prostaglandins
bradykinen
acts on blood vessels in the damaged area to release chemicals that contribute
to the conduction of nociception – serves as a neurotransmitter across the nerve synapse from
primary afferent neuron to neuron in the dorsal horn.
substance P
–can occur with stimulation of large fibers through massage, heart & cold application
or use of TENS unit opiod analgesics will also inhibit pain impulses by binding to receptor sites.
ascending modulation
Release of endorphins & enkephalins provides biochemical descending inhibition
of pain impulses use of relaxation/ guided imagery, distraction can modulate & inhibit the pain perception.
descending modulation
what are these?.... Ethnic & Cultural Values.
 Developmental Stage
 Environment & Support People
 Past Pain Experiences
 Meaning of Pain
 Anxiety & Stress
factors affecting pain
pure opioids, bind tightly to mu receptors: Morphine, codeine, hesperidins
(Demerol), propoxyphene (Darvon) & hydromorphine (Dilaudid). – There is no maximum daily dose
limit to these drugs.
full agonists analgesics
antagonist analgesic – can act like opioids & relieve pain when given to Pt who
has not taken any pure opioids - Can block or inactivate other opioids. Includes dezocine (Dalgan),
pentazocine HCl (Talwin), butorphanol tartrate (Stadol, & nalbuphine HCl (Nubain). Blocks mu
receptor site/activate kappa receptor site. No maximum daily dose, not recommended for terminally ill
Mixed agonists – antagonist analgesic
block mu receptors or are neutral at receptor but bind at kappa receptor site.
√daily dosage limit. – buprenophrine (Buprenex
partially agonists
it is sometimes beneficial to adjust the dose & time interval of the doses as well
as the route & exact medication. A chart can be used to help provide doses approx. equal ability to relieve pain
Equianalgesic Dosing
These have anti-inflammatory, analgesic & antipyretic effects. Acetaminophen only
has analgesic & antipyretic effects; it is not an anti-inflammatory & will not help to relieve inflammation. Relieve of
pain by acting on peripheral nerve endings at the injury site & decreasing the level of inflammatory mediators
generated. May also decrease prostaglandin release at the injury site. Most common side effect is indigestions –
stomach ulcers & gastric bleeding have also been reported.
nonopoid/ nsaids
Analgesic medications developed for uses other then analgesia but have been found
to reduce certain type of chronic pain in addition to their primary action, ex. Valium may help reduce painful
muscle spasm as well as reduce anxiety, stress & tension
adjunctant analgesics
(1) Non-opioid analgesics +/- an adjuvant. If pain persists go to medication in step (2)
(2) weak Opioid +/- non-opioid +/- adjuvant – if dosage reaches maximum & becomes ineffective go
to (3)
(3) Opioid for moderate to severe pain +/- non-opioid +/- adjuvant
approach to mange cancer pain
relieves acute or chronic pain through techniques such as acupressure,
massage, contra-lateal stimulation, vibration, heat, cold & plain & menthol ointments.
cutaneous stimulation
what treatment produces analgesia by stimulating A beta
fibers to block A delta & unmyelinated C fibers to block noxious stimuli from the periphery by
stimulating endorphins in the dorsal horn. The client initially feels a tingling, buzzing or vibration
sensation. It increases blood flow & allows the client to decrease or eliminate pain meds. Not used
with pacemakers nor should electrodes be place over eyes, carotid sinus or anterior neck or mouth
TENS
Heat should not be used within 24 hours because of increased blood flow, edema,
bleeding. After 24 h it is effective for joint & muscle pain. Cold decreases the inflammatory response,
blood flow & edema & is useful for relief from migraines & back pain.
heat and cold
some inappropiate meds for elderly
demerol, asa and valium
what age group? May be slow to acknowledge pain
 Recognizing pain or giving in may be considered weakness
 Wants to appear brave in front of peers & not report pain
adolescent
what age group? Tries to be brave when facing pain
 Rationalized in an attempt to explain the pain
 Responsive to explanations
 Can usually identify the location & describe the pain
 With persistent pain, may regress to an earlier state of development
school age
what age group? develops the ability to describe pain & its intensity & location
 Often responds with crying & anger because child perceives pain as a threat to security
 Reasoning with child at this stage is not always successful
 May consider pain a punishment
 Feels sad
 May Learn there are gender differences in pain express
tends to hold someone accountable
toddler
what age group? perceives pain
 Responds to pain with increased sensitivity
 Older infant tries to avoid pain; for ex. Turns away & physically resists.
infant
what age group? Pain tolerance appears to increase with age. Nearly 90% of adults by age of 50 have degenerative
abnormalities of the lower spine.
 Pain threshold does not appear to change although effect f analgesics may increase due to physiologic
changes related to metabolism.
 May perceive pain as part of the aging process
 May have decreased sensations or perceptions of the pain
 Lethargy, anorexia, & fatigue may be indicators of pain
 May withhold complaints of pain because of fear of the treatment, or any lifestyle changes that may be
involved, or of becoming dependent
 May describe pain differently, that is, as” ache”, hurt” or “discomfort”
 May consider it unacceptable to admit or show pain.
 Older clients are particularly sensitive to the analgesic properties of opioids & often require less medication
than younger clients d/t reduced excretion of the drug
elderly
Amitriptyline (Elavil)
 Chlorpromazine (Thorazine)
 Diazepam (Valium)
 Hydroxyzine (Vistaril)
adjunctive analgesics
Acetaminophen (Tylenol, Datril)
 Acetylsalicylic acid (Aspirin, ASA)
 Choline magnesium trisalicylate (Trilisate)
 Diclofenac sodium (Voltaren)
 Ibuprofen (Motrin, Advil)
 Indomethacin sodium trihydrate (Indocin)
 Naproxen (Naprosyn)
 Naproxen sodium (Anaprox, Aleve)
 Piroxicam (Feldene)
 Tolmetin sodium (Tolectin)
non narcotic analgesics
Butorphanol (Stadol)
 Fentanyl citrate (Sublimaze)
 Hydromorphine hydrochloride (Dilaudid)
 Meperidine hydrochloride (Demerol)
 Methylmorphine phosphate (Codeine, Tylenol 3, Empirin 3)
 Morphine Sulfate (morphine, MS)
 Proposyphene napsylate (Darvon –N, Darvocet-N)
narcotic analgesics
pain transmission of a pain signal from the site of injury to the higher brain centers via a nervous system that has been temporarily or permenantly damaged in some way
neuropathic
is pain that is experienced due to an operative procedurer/t tissue damage
procedural pain
is pain that is experienced due to an operative procedurer/t tissue damage
postoperative pain
is the insertion of small needles into the skin at selected sites
acupuncture
has been shown to provide pain relief
humor
have been found to decrease pain by blocking the pain transmission through nerve stimulation
massage
may decrease pain for certain diseases
hydrotherapy
may decrease pain through theraputic use of concentrated essences or essential oils
aromotherapy
the opposite area is stimulated with pressure, massage, cold, heat or menthol to relieve pain.
contralateral stimulation
relieves acute or chronic pain through techniques such as pressure, massage, vibration, heat, cold and plain and menthol ointments.
cutaneous stimulation
is a drug delivery approach that uses an exertnal infusion pump to delive an opioi dose on client demand
PCA
used for their local effect for pain involving skin or mucus membranes. ointment, cream, drops or aerosol
TOPICAL DRUGS
penazocine, nalbuphhine, butorphanol and dezocine, are drugs that bind to opioid receptors but exert effects only at certain receptors. used in people dependent on an opioid agonist and can percipitate acute withdrawl syndrome
OPIOID AGONIST- ANTAGONISTS
Naloxone, block the opioid receptors or displace the agonists from these sites. reverse depressant effects
OPIOID ANTAGONISTS
morphine, codeine, hydromorphone, oxycodone, demerol, fentanyl- bind to opioid receptors to produce analgesia
OPIOID AGONISTS
asprin, nonsteroidal anti inflammatory (NSAIDÕs: motrin, naproxen, tolmetin, indomethacin), and acetaminophen
-have antiprostaglandin effects in both the peripheral and centeral nervous system.
-can be combined with opioid to improve pain control for mild, moderate and severe pain s a perscription
nonopioid analgesics
using honest explanation of what the client will feel.
anticipatory guidance
used best during brief periods of intense pain ie during dressing changes, debridement, biopsy etc., visual, audile or tactle
distraction
helping patient focus on a pleasant, relaxed mental image
guided imagery
blocks patients’ awareness of pain through suggestions
hypnosis
comfortable position, passive attitude, quiet environment and concentration. It complements other pain-relief techniques.
relaxation
learn voluntary control over autonomic functions, such as heart rate, hand temperature, and muscle tension. Motivation of the client is important because it requires extensive training.
biofeedback
Marked rhythmic waxing and waning of respirations from very deep to very shallow breathing and temporary apnea. Pattern is not unusual during sleep in the elderly and should not be exclusive reason to restrict opioid pain relief
cheyne stokes
conducts research to provide guidelines for pain management.
1. Better pain management
2. Increased client comfort
3. Shortened length of hospital stay
agency for health care policy and research (AHCPR)
Respiratory rate is moderately affected (8-10 breaths/minute...do what?
withhold the opioid and reduce subsequent doses.
Respiratory rate is significantly affected (fewer than 8 breaths/minute) ...do what?
administer Narcan until adequate respiratory rate returns by pain relief remains intact.
serotonin, histamine, potassium, bradykinin and substance P.
Biochemical mediators of pain
location in the spinal cord that prevents or permits pain impulses to reach the brain
dorsal horn
(abdominal cavity, cranium and thorax), slowly transmitted
visceral pain
ligaments, , tendons, bones, blood vessels, and nerves
somatic pain
[ are opiate like] provide biochemical descending inhibition.
Endorphins and enkephalins
Newborns do feel pain.
2. Sleep or lack of complaint does not indicate pain relief.
3. Pain is not a normal part of aging.
4. People with chronic pain do not have hypochondriasis [hysterical personality] nor do they have hysterical personalities.
myths about pain
use smaller opioid dosages, decreased delay in receiving pain med, decreases potential for overdosing, decreases dependency on nursing personnel, decreases client anxiety and promotes earlier activity with improved pulmonary status. Best used for moderate-to-severe pain and with patients who can understand and follow instructions.
PCA benefits
room temperature, noise reduction, improving ventilation and use of assistive devices can increase comfort or decrease pain.
environemental interventions
decreased sensation to pain associated with peripheral nerve disease.
diabetic neuropathy
is primarily pharmacologic but the basis of chronic pain management is nonpharmacologic. Medications may be adjunctive components of the treatment plan. Interventions should be implemented when pain is mild or when it is anticipated.
management of acute pain
(ibuprofen, naproxen, tolmetin and indomethacin), Aspirin, and Acetaminophen are all single agent therapies used for mild pain relief.
NSAIDS
response are the most dependable indicators of pain if the patient is able to communicate verbally.
VERBAL RESPONSE
rubbing painful areas, frowns and grimaces and increased muscle tension occuring with guarding and immobilization
NON VERBAL REPONSE
rating scale is effective with children
WONG BAKER FACE