Pain - Acute and Chronic Flashcards
allodynia
pain from a stimulus that is not normally painful
hyperalgesia
more pain than expected from a painful stimulus
dysasthesia
unpleasant sensory symptoms either spontaneous or evoked
nociceptve pain
pain from damaged tissue and it is relayed through a normal nervous system
neurogenic pain
pain arising from damage to the NS itself, not necesarily in the tissues where the pain is felt
which typf of antidepressants are good for burning or tingling pain
tricylcics (amitryptilline)
what pain relief should be used with caution in teh post op period
NSAIDS due to huge side effect profile
what is PCA
patient controlled analgesia - method of administering IV opioid via an infusion pump which allows the patient to titrate the dose of opioid accoridng to personal need by pressing a hand held button
Describe how morphine is used in a PCA
ready made solution of 50mg in 50ml of saline which is then drawn into a standard 60ml syringe and used to prime the delivery tubing
what are teh standard settings fo a pCA
loading dose = 0 duration = stat conc = 1mg/ml bolus dose - 1mg/ml lockout - 5 mins background - zero
on opiate abd RR<10
give oxygen
on opiate and rr<8
oxygen stop opioid
on opiate low rr and drowsy and help is not immediately available give
dilute …g naloxone in 10ml water or saline and give a 1ml dose IV every minute
why not give the full syringe of naloxone at teh one time
compleetly reverse all opiates and cause the patient severe pain
why does naloxone doses need to be repeated
has a short duration of effect
