Pain Flashcards
Transduction
nerve receptor converts action potential by stimuli
Transmission
Action potential travels to nerve fibers of spinal cord and brain
Perception
Action potential reached brain and cerebral cortex area to interpret stimuli as pain
Modulation
Neurons activate inhibitory mediators and causes pain relief
Acute pain
warns people of harm of disease
protective mechanism
limited tissue damage
What is the duration of acute pain?
Short duration
<3 months
Chronic Pain
not protective
goal: improve functional status
What is the duration of chronic pain?
Longer, >3-6 months
What are signs of acute pain?
Increased BP, HR, RR, dilated pupils and sweating
Cancer Pain
arises from abnormal or damaged nerves related to chemo, tumor, toxicities, etc.
Descriptive words of nociceptive pain
aching, gnawing, pounding
Descriptive words for Neuropathic Pain
burning, shooting, tingling, shocking
Examples of neuropathic pain
phantom pain
diabetic neuropathy
spinal pain
amputated limbs
compression injuries
Somatic Pain
bones, joints, muscles, skin or connective issues
well localized
Cutaneous Pain
skin or SubQ tissue
well localized
Visceral Pain
internal organs, referred pain
nonspecific
Idiopathic Pain
form of chronic pain with no known cause
Factors that influence pain
age
fatigue
genes
cognitive/neuro function
previous experiences
support system/coping
spirituality
anxiety/fear
Impacts of pain
quality of life
self care-hygiene, nutrition
work-absenteeism
social support-isolation
Wong Baker Pain Scale
used in ages 3+
based on facial expression of smiling to crying
Pain Assessment
Provocative or palliative
Quality or quantity
Region or radiation
Severity
Timing
Understanding
Nonpharmacologic Pain Interventions
Guided imagery
Relaxation
Distraction
music
cutaneous stimulation
herbal supplements
What nonpharm method would be best for longer pain time?
relaxation and guided imagery
(labor pain)
What nonpharm method would be best for short timing pain?
Distraction
(IV)
What are examples of cutaneous stimulation?
massaging, temp (cold or hot) electrical nerve stimulation
Pharmacological Pain Treatments
analgesics
opioids
nonopioids
adjuvants
lidocaine
What is the most common method of pain relief?
analgesics
Does acetaminophen have anti inflammatory effects?
no