Test 1 Flashcards
(48 cards)
acute pain lasts LESS than 3-6 months and is usually associated with ____
nociceptive
nociceptive is either somatic or visceral
define pain
an unpleasant sensory AND emotional experience with actual OR potential tissue damage OR described in terms of such damage
nociceptive is either __ or __
somatic or visceral
chronic pain tends to be non-____
non-nociceptive
non-nociceptive is either neuropathic or idiopathic (psychogenic)
non-nociceptive is either __ or __
non-nociceptive is either neuropathic or idiopathic (psychogenic)
Somatic pain is well localized, sharp in nature, and generally hurts at the point or area of stimulus. Somatic pain is carried by __ fibers
type A fibers
Visceral pain is diffuse and can be referred to another area, dull, achy, vague. Probably carried by type __ fibers
C
Neuropathic pain is like when you hit your funny bone, it’s a shock. It’s __
abnormal
Idiopathic pain has no apparent cause, may be psychological aka ___
idiopathic aka psychogenic
define algesia
increased sensitivity to pain, the pain threshold is decreased
algae are VERY sensitive to pain
define algogenic
pain producing
OWWgogenic
define allodynia
a usually nonharmful stimulus that is perceived as painful
an aloe plant is usually harmless, but if you’ve never seen one before you might think it would be painful
define analgesia
the absence of pain in the presence of a normally painful stimulus
define dysethesia
an unpleasant painful abnormal sensation, whether evoked or spontaneous
the opposite of good anesthesia is dysethesia
define hyperalgesia
a hyper response to pain
define neuralgia
pain in the distribution or region covered by a peripheral nerve
define neuropathy
an abnormal disturbance in the function of a nerve
neuro-path
define paresthesia
an abnormal sensation, whether spontaneous or evoked
your patients will get a “pair of thesias” when you brush their nerve roots with your epidural catheter
somatic nociceptive pain is defined by four processes
transduction, transmission, perception, and modulation
define transduction
the TRANSFORMATION of a stimulus into an action potential
define transmission
the PROCESS by which an action potential is conducted from the periphery to the CNS
define perception
involves the signal being RECOGNIZED by various areas of the brain
define modulation
ALTERATION of afferent activity, either SUPPRESS or ENHANCE
Which two fibers are the primary afferents involved in transduction?
myelinated A-delta and non-myelinated C fibers
A/c
