cholinergic agonists and antagonists Flashcards
what is the major response of cholinergic agonist
stimulate bladder and GI tone, constrict pupils and increase NM transmission
what are some other effects of cholinergic agonist
decrease HR and BP
increase salivary, GI, and broncial secretions
what is our cholinergic drug
Bethanechol
what is bethanechol used for
treat urinary retention and neurogenic bladder
what is the CI for bethanechol
intestianl or urinary tract obsturction
IBS
asthma
bradycardia
hypotension
asthma
what are some adverse reactions to bethanechol
hypotension
tachycardia
bronchoconstriction
wheezing
seizures
what should you asses before admin of cholinergic agonist and why
VS-to compare
UO-bc this drug is for urinary retention
pt hx-for peptic ulcer, urinary obstruction or asthma bc this drug can aggrivate the symptoms
what should you monitor when giving cholinergic agonist and why
HR and BP- cna decrease in large doses and ortho hypo is a AR
monitor and record UO- decrease in UO could mean obstuction
what lab values should you monitor for when giving cholinergic agonist
amylase
lipase
AST
bilirubin
What should you listen for when giving cholinergic agonist
breath sounds
rales and crackles- fluid congestion in lungs
ronchi and rough sounds-mucous secretions in lungs
what is the antidote for bethanechol
atropine
what are the early sings of a cholinergic overdose
flushing
salivation
sweating
nausea
abd cramps
what should you teach a pt who is taking a cholinergic agonist
rise slowly from lying position to avoid dizziness
report any difficulty breathing
take on empty stomach
report increase in muscle weakness or salivation
how should a pt take bethanechol
1hr before or 2hr after meal
what is the drug class for atropine
anticholinergic