Chronic Pain & Illness Flashcards
What is pain?
sensory and emotional experience of discomfort, usually associated with tissue damage or irritation
What is the problem with pain vocabulary?
Pain vocabulary is largely informal and open to much interpretation, i.e. throbbing pain, shooting pain, dull ache
What are pain behaviors?
Observable manifestations of chronic pain
Pain is protective but does not feel protective. What does that mean?
Pain allows you to become consciously aware of tissue damage but is accompanied by unpleasant motivational and behavioral responses
What is pain perception also known as?
Nociception
What are the three types of nociception?
- mechanical
- thermal
- polymodal
What are the two major types of peripheral nerve fibers?
-A-delta fibers-C-fibers
How does nociception work?
Nociception: making sense of injuries
- Nociceptors in peripheral nerves first sense injury-In response, release chemical messengers that travel to spinal cord and brain
- Brain regions (thalamus and cortex) identify the site of the injury and send messages back down spinal column
- Leads to muscle contractions, helps block pain to specific muscle groups
What did D.V. Reynolds study in 1969?
- SPA: Stimulation-Produced Analgesia
- Electrical Stimulation of a rats brain Produced a high level of Analgesia
- Rats did not feel the pain of abdominal surgery
When were endogenous opioid peptides discovered?
1972-Opioids are substances like heroin or morphine (but produced by the body) Constitute internal pain regulation system
What is acute pain?
Short term pain (<6 months)
What is chronic pain?
Long term pain 3 types: -Chronic benign -Recurrent acute -Chronic progressive
Pain control techniques are helpful for what kind of pain?
Acute
Why is chronic pain management complicated?
Chronic pain involves physiological, psychological, and behavioral factors
What is chronic pain syndrome?
Long-term pain WITH:-Associated tissue damage/irritation-Persistent pain complaints/behaviors-Disrupted ADLs-Disrupted social, marital, work, recreational-Excessive drug use or surgeries-Disrupted sleep-Increased anxiety and depression