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88 Cards in this Set
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impervious to therapuetic interventions
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intractable pain
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related to tissue injury ans will abate with healing
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acute pain
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lasts longer than 6 months
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chronic pain
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shooting or stabbing resulting from disorder of the peripheral or central nervous system
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neuropathic pain
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received at the source and extends to nearby tissues
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radiating pain
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process of transmitting a pain signal from site of tissue damage to areas of the brian
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noiception
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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.
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neuropathic pain
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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.
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gate control theory
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Amount of pain stimulation a person requires before feeling it
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pain threshold
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Highest intensity of pain that a person is willing to tolerate
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pain tolerance
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Characteristic of pain-Superficial or cuteneous (pain emanates from the skin or from tissues close to the surface)
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location
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characterisitc of pain- the magnitude or amount of pain perceived by the person; Scale 1-10
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intensity
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characteristic of pain- how pain feels to the client
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quality
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when pain starts
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onset
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how long pain lasts
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duration
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increase at night and may cause depression
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chronic pain
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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
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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
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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
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TYPE OF PAIN? originates in the skin or subcutaneous tissue
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cutaneous pain
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arises from ligaments, bones, blood vessels, nerves – ex. Sprain.
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deep somatic pain
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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
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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
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considered the same as pain threshold; pain reaction includes the autonomic nervous system
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pain sensation
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causes direct activation of the nociceptors, the release of histamine & vasodilation &
increased capillary permeability – also stimulates the release of prostaglandins |
bradykinen
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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
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–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
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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
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what are these?.... Ethnic & Cultural Values.
Developmental Stage Environment & Support People Past Pain Experiences Meaning of Pain Anxiety & Stress |
factors affecting pain
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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
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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
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block mu receptors or are neutral at receptor but bind at kappa receptor site.
√daily dosage limit. – buprenophrine (Buprenex |
partially agonists
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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
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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
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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
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(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
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relieves acute or chronic pain through techniques such as acupressure,
massage, contra-lateal stimulation, vibration, heat, cold & plain & menthol ointments. |
cutaneous stimulation
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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
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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
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some inappropiate meds for elderly
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demerol, asa and valium
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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
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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
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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
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what age group? perceives pain
Responds to pain with increased sensitivity Older infant tries to avoid pain; for ex. Turns away & physically resists. |
infant
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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
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Amitriptyline (Elavil)
Chlorpromazine (Thorazine) Diazepam (Valium) Hydroxyzine (Vistaril) |
adjunctive analgesics
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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
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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
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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
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neuropathic
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is pain that is experienced due to an operative procedurer/t tissue damage
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procedural pain
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is pain that is experienced due to an operative procedurer/t tissue damage
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postoperative pain
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is the insertion of small needles into the skin at selected sites
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acupuncture
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has been shown to provide pain relief
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humor
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have been found to decrease pain by blocking the pain transmission through nerve stimulation
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massage
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may decrease pain for certain diseases
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hydrotherapy
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may decrease pain through theraputic use of concentrated essences or essential oils
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aromotherapy
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the opposite area is stimulated with pressure, massage, cold, heat or menthol to relieve pain.
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contralateral stimulation
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relieves acute or chronic pain through techniques such as pressure, massage, vibration, heat, cold and plain and menthol ointments.
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cutaneous stimulation
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is a drug delivery approach that uses an exertnal infusion pump to delive an opioi dose on client demand
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PCA
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used for their local effect for pain involving skin or mucus membranes. ointment, cream, drops or aerosol
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TOPICAL DRUGS
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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
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OPIOID AGONIST- ANTAGONISTS
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Naloxone, block the opioid receptors or displace the agonists from these sites. reverse depressant effects
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OPIOID ANTAGONISTS
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morphine, codeine, hydromorphone, oxycodone, demerol, fentanyl- bind to opioid receptors to produce analgesia
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OPIOID AGONISTS
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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
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using honest explanation of what the client will feel.
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anticipatory guidance
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used best during brief periods of intense pain ie during dressing changes, debridement, biopsy etc., visual, audile or tactle
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distraction
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helping patient focus on a pleasant, relaxed mental image
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guided imagery
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blocks patients’ awareness of pain through suggestions
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hypnosis
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comfortable position, passive attitude, quiet environment and concentration. It complements other pain-relief techniques.
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relaxation
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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.
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biofeedback
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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
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cheyne stokes
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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)
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Respiratory rate is moderately affected (8-10 breaths/minute...do what?
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withhold the opioid and reduce subsequent doses.
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Respiratory rate is significantly affected (fewer than 8 breaths/minute) ...do what?
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administer Narcan until adequate respiratory rate returns by pain relief remains intact.
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serotonin, histamine, potassium, bradykinin and substance P.
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Biochemical mediators of pain
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location in the spinal cord that prevents or permits pain impulses to reach the brain
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dorsal horn
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(abdominal cavity, cranium and thorax), slowly transmitted
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visceral pain
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ligaments, , tendons, bones, blood vessels, and nerves
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somatic pain
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[ are opiate like] provide biochemical descending inhibition.
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Endorphins and enkephalins
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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
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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.
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PCA benefits
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room temperature, noise reduction, improving ventilation and use of assistive devices can increase comfort or decrease pain.
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environemental interventions
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decreased sensation to pain associated with peripheral nerve disease.
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diabetic neuropathy
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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.
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management of acute pain
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(ibuprofen, naproxen, tolmetin and indomethacin), Aspirin, and Acetaminophen are all single agent therapies used for mild pain relief.
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NSAIDS
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response are the most dependable indicators of pain if the patient is able to communicate verbally.
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VERBAL RESPONSE
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rubbing painful areas, frowns and grimaces and increased muscle tension occuring with guarding and immobilization
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NON VERBAL REPONSE
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rating scale is effective with children
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WONG BAKER FACE
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