Adrenergic Agonists
Which adrenergic agonist is commonly used for asthma?
Albuterol
Before giving propranolol, always assess:
heart rate and blood pressure
Bethanechol is used to treat:
urinary retention
Atropine is used for:
bradycardia or to reduce secretions
Before giving beta blockers, always check:
Heart rate and blood pressure
Expected effect of adrenergic agonists on the lungs?
Bronchodilation
When should a beta blocker be held?
Heart rate less than 60
Expected effect of cholinergic agonists on the heart?
Bradycardia
Which mnemonic is used to remember anticholinergic side effects?
“Dry as a bone, Hot as a hare, Blind as a bat, Mad as a hatter”
Monitoring for cholinergic agonists should include:
urinary output, GI status, and respiratory function?
Side effects of epinephrine include
tachycardia, hypertension, palpitations
Side effects of beta blockers include
bradycardia, hypotension, bronchospasm
Side effects of cholinergic agonists include:
diarrhea, salivation, hypotension, bradycardia
Which patient condition is a contraindication to anticholinergics
glaucoma
Elderly patients on anticholinergics are at high risk for:
Confusion/delirium
What adverse effect should be closely monitored in patients receiving IV adrenergic agonists?
extravasation leading to tissue necrosis
Which patient should avoid nonselective beta-blockers
Asthma/COPD
Contraindication for cholinergic agonists?
Asthma
Oxybutin is used for...
Overactive bladder
A patient on adrenergic agonists should be closely monitored for which cardiovascular effects
Tachycardia and hypertension
Which adrenergic agonist increases cardiac output in shock and heart failure
Dopamine
Why should beta-blockers not be stopped abruptly?
risk of rebound hypertension or angina
What effect do cholinergic agonists have on the pupils?
miosis (pupil constriction)
Important teaching with anticholinergics?
increase fluids/fiber, avoid overheating
Teaching for beta-blocker patients should include:
Do not stop abruptly, monitor heart rate, blood pressure