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70 Cards in this Set

  • Front
  • Back

Acupressure

Point on the hand that influences nerve pathways to the face and head

Acute pain/ transient

•Protective,identifiable, short duration, limited tissue damage or emotional response

Chronic/Persistent pain

(Non-cancer)-not protective, no purpose,may or may not have identifiable cause, >6 months, constant or recurring

•Chronic/Episodic pain

occurs sporadically over extended periods of time

Adjuvants

Co- analgesics, medication that enhances analgesics

Analgesics

Most common and effective method of pain relief

Three types of analgesics:

Nonopioids


Opiods


Adjuvants

Nonopioids:

Acetaminophen (tylenol)


NSAIDS (non-steroidal anti-inflammatory drugs)



Opiods:

Narcotics:


Morphine


Codeine


Fentanyl


Oxycodone


Hydrocodone

Biofeedback

Non pharmacological pain relief using electrodes

Breakthrough pain

Transient worsening of pain that occurs spontaneously or unpredictably related to cancer

Cutaneous stimulation

Skin stimulation using massage, warm bath, cold application

Transcutansous electrical nerve stimulation (TENS)

electrical nerve stimulation

Epidural analgesia

Regional anesthesia that treats post op pain, labor and delivery pain, chronic cancer pain

Idiopathic pain

Chronic pain that has unidentifiable cause

Local anesthesia

anesthesia used locally subcutanesouly or intradermally to numb a body part

Regional anesthesia

injection or infusion to block a group of sensory nerve fibers

Perineural infusions

Anesthesia through catheter

Patient controlled analgesia (PCA)

Allows patients to self administer opioids

Transduction

Stimuli converts into electrical energy. The pain-producing stimulus sends an impulse across a sensory peripheral pain nerve fiber (nociceptor)




Example: (slapping table)

Transmission

Cellular damage that results in release of neurotransmitters




beginning the transmission of pain

Perception

Point where patient is aware of pain




When it is received in the brain

Modulation

Inhibition of the pain impulse




inhibitory neurotransmitters are released

Multi-modal analgesia

medications are combined to target different areas in peripheral or central pain pathways

Neurotransmitters

Either excite during transmission or inhibit during modulation

Examples of Neurotransmitters

Prostaglandins


Bradykinin


Substance P


Histamine


Seratonin

Prostaglandins:

Increase sensitivity to pain

Bradykinin

Binds to receptors on peripheral nerves


increases pain stimuli



Substance P

Found in dorsal horn pain neurons


Needed to transmit pain impulses to brain


Causes vasodilation and edema

Histamine

Causes capillary dilation and and increased capillary permeability



Seratonin

Released from brain stem and dorsal horn to inhibit pain transmission

Neuromodulators (inhibitory)

Natural supply of morphine like substance in body


Activated by stress and pain


Located within brain, spinal cord, gastrointestinal tract



Nociceptor

Sensory peripheral pain nerve fiber

Pseudoaddiction

Pain not properly relieved by pain management


(doctor shopping)

Pain is a ___________ and is _________ in nature

symptom


subjective

Transduction converts painful stimulus into electrical impulses that travel from the __________ nerve to the __________ cord at the _________ horn.

peripheral


spinal


dorsal

During transmission, the pain message is sent to the brain via the ___________ tract, which is a bundle of nerve fibers that run up the ________ cord

Spinothalamic


Spinal

Two types of peripheral nerve fibers conduct painful stimuli:

A-delta fibers


C fibers

Stepping on a nail, person feels sharp, localized pain, or first pain is which fiber?




After a few seconds the whole foot aches is second pain, or which fiber?

A fibers




C fibers

•Chemical synapses involve transmitter chemicals (_____________) that signal post_______ cells.

neurotransmitter


synaptic

•Sensation of pain regulated or modified by substances called ______________

neuro-modulators

Endogenous

made inside us

Endogenous opioid compounds




Analgesic activity alters the perception of pain

Neuro-mudulators

A protective ________ response also occurs with pain reception. ________ fibers send sensory impulses to the spinal cord, where they synapse with spinal motor neurons. _______ _______ travel via a reflex arc along efferent (motor) nerve fibers back to a peripheral muscle near the site of stimulation, thus bypassing the brain.Contraction of the ________ leads to protective withdrawal from the source of pain.

reflex


A-delta


Motor Impulses


muscle

Pain impulses pass through when a gate is open and are blocked when a gate is closed

Gate-Control Theory of Pain

The gates can be _________, _________, or ________ processes

Physiological


emotional


cognitive

Closing the gate is a the basis for ___________ pain relief interventions

nonpharmacological

Inferred Pathological Process

Nociceptive vs. neuropathic

100 times more potent than morphine and provides analgesia for 48-72 hours

Transdermal fentanyl

•Patients with chronic pain need to be given medications on a regular ________ basis.

ATC




(around the clock)

•Long-acting or controlled-release medications are very successful in managing all types of chronic pain. You can manage most chronic pain by using ______ or _______ medications.

oral


patch

Transmucosal fentanyl is used for _________ pain

breakthrough

Normal processing of stimuli that damages normal tissues or has the potential to do so

Nociceptive pain

Pain that is aching, throbbing, usually well localized



Somatic




Visceral

Pain that is felt more in bones, joints, muscle, connective tissue

Somatic

Pain that is felt more in internal organs (tumor, obstruction)

Visceral

Abnormal processing of sensory input by peripheral or CNS




(centrally or peripherally generated)

Neuropathic pain

Neuropathic pain example:

Diabetic neuropathy (tingling, pain, numbness)


Herpesoster (shingles)

Factors influencing pain

•Physiological••Social••Psychological••Cultural

___________ has established specific guidelines for assessing patients with acute and cancer pain. The focus is on planning successful pain management interventions before a patien thas pain. Because it involves a collaborative approach, the pain treatment flow chart offers a useful conceptual approach to the control of acute pain.

AHRQ



The Agency for Healthcare Research and Quality

5 Vital signs

Heart rate


Blood pressure


Respiration rate


Body temperature


Pain

Characteristics of pain:

•Onset and duration


•Location


•Intensity-(Pain Scales)


•Quality-(Sharp, Dull, Diffuse, Shifting)


•Pattern-(Acute, Chronic, Episodic,Persistent)•Relief measures


•Contributing symptoms


•Effects of pain on the patient

Routine clinical approach to pain assessment and management:




A
B
C
D
E

•A: Ask about pain regularly. Assess pain systematically.


•B: Believe patient and family in their report of pain and what relieves it.


•C: Choose pain control options appropriate for the patient, family, and setting.


•D: Deliver interventions in a timely, logical, and coordinated fashion.


•E: Empower patients and their families. Enable them to control their course tot he greatest extent possible.

4 tools for assessing pain:

•VerbalDescriptor Scale (VDS)


•Wong-BakerFaces Scale (FACES)


•NumericRating Scale (NRS)


•VisualAnalog Scale (VAS)

Ranges pain on a scale between mild, moderate and severe

Verbal descriptor scale (VDS)

Shows various facial expressions. Works well with the pediatric population

Wong-Baker Scale (faces)

Which pain scale tool?




Patients designate a point on the scale corresponding to their perception of the pain's severity at the time of assessment




ex. no pain ----------- unbearable pain

Visual analog scale

Which pain scale tool?




Number of 1-10 from no pain to severe pain, how bad is the pain?

Numerical rating scale

Level of pain a person is willing to accept

Pain tolerance

Non-pharmacological pain relief examples:

•Relaxation,guided imagery


•Biofeedback•Distraction,music


•Cutaneous stimulation


Massage,transcutaneous electrical nerve stimulation (TENS), heat, cold, acupressure


•Herbals


•Reducing pain perception