Pain definitions Flashcards
Pain
- unpleasant sensory or emotional experience arising from actual or potential tissue damage or describe in terms of such damage
- unpleasant sense or discomfort
Acute pain
adaptive
eudynia
–normal, predicted physiological response to an adverse chemical, thermal or mechanical stimulus associated with surgery, trauma or acute illness
–alerts of noxious substance, fight or flight
Chronic pain
maladaptive
maldynia
–pain that persists over long period of time (3 months or longer)
–in contrast to acute pain which is sudden or treatable
–disease that represents pathologic functioning of the nervous system
Nociception
–the reception of noxious information
–the reception of painful stimuli from the physical or mechanical injury to the body tissues by nociceptors
(found in either the skin or the viscera)
nociceptive pain
- -type of pain that occurs when there is tissue damage or injury
- -usually sharp, aching, or throbbing
- -type of chronic pain
Neuropathic pain
- -type of pain that occurs with nerve damage
- -usually numbness, burning along site of nerve
- -type of chronic pain
Allodynia
- -pain that results from a stimulus that normally doesn’t elicit pain
- -change in quality of pain
Hypoesthesia
- -diminished sensitivity to a stimulus
- -numbness
esthesi
sensation
perception
allo
other, different
hyperesthesia
–increased sensitivity to a stimulus
What is the difference between allodysia and hyperesthesia?
allodysia is an abnormally increased pain response to something that normally isn’t painful while hyperesthesia is an increased sensitivity to stimulation
Parathesias
- -abnormal sensation
- -pins or needles
- -usually indicates damage or pressure to peripheral nerves
Analgesia
- -inability to feel pain
- -absence of pain in response that is normally painful
Hypoalgesia
diminished response to a normal painful stimulus
