Pain 1 Flashcards
what are nocireceptors
free nerve ending that are found in most tissue to repsond to thermo, chemical or mechanical changes
what do a-delta fibers transmit
detailed info quickly from peri cutaneous tissue
fast
pain signnals : sharp and localized
what a c-fibers
transmit info form deep tissues (joints, viscera)
slow
pain signals: dull, aching, and diffuse
what is gate control theory
how other stimulis help to decrease the sensation of pain
other stimuli are inhibiting the pain signal to the brain
what methods can we use to apply gate theory
massage and estim
working by stimulationg a-alpha and A-beta fibers (interneurons)
what are endogenous opiods in control of
endogenous opioids control pain regulation
how do endogenous opioids work
endophrins (example)
these substance bind to opioid receptors -> results in the inhibition of the pain signal
what is viscerogenic pain
pain thay results from the pathology of a internal organ
where is pain for viscerogenic pain
often at a site for from the source of pain
how is viscerogenic pain different from MSK pain
does not change with positioning
diffused poorly localized
accompanied by other systemic symptoms
myocardial infraction - referred pain location
left shoulder in C8 distrubtion
shoulder, back , neck, arm, or jaw
what is Kehr’s sign used for
a ruptured spleen
what is the procedure for a Kehr’s sign
pressure in the upper abd or supine postioning results in left shoulder pain
gallstones/gallbladder conditions referred pain
right upper abd and interscapular region
what is the mcgill pain questionnaire used for
used to establish a basedline, eval treatment regimes, and monitor progress
