agonists 1
adrennergic agonists action
mimic sympathetic activity (fight or flight)
What causes rebound congestion?
taking multiple of them can cause tachycardia and use only as directed
these drugs induce
rest or digest
side effects of adrenergic blockers
bradycardia, hypotension
phenylephrine, pesudoephedrine, oxymetazoline MOA
alpha 1 receptor drugs
for nasal congestion - decrease capillary permeability, constrict nasal vessels
What are the special considerations if giving it IV in the ICU?
could cause excess sympathetic stimulation
alpha 1 blockers MOA
relax smooth vascular muscles - vasodilation and decreased BP
for ALL beta blockers, the nurse should check what prior to giving
PULSE
hold if less than 50 bc these meds will lower them
calming effect, for HTN
alpha 2 receptor
neurological side effects of adrenergic agonists
nervousness, anxiety, tremors, seizures
beta 1 blockers...
decrease HR, for HTN and angina
tamsulosin is an alpha 1 blocker good for
BPH
treats urinary retention
beta 1 receptor drugs are used for
cardiac arrest, heart failure, shock
increase HR and force of contractions
dopamine, dobutamine
cardiac related side effects of agonists include
tachycardia and hypertension, palpitations
timolol is
eye drops for glaucoma, beta blocker
doxazosin, prazosin, tamsulosin
alpha 1 blockers
beta 2 receptor drugs are used for
in lungs
prohibits smooth muscle contraction causing bronchodilation
albuterol, levalbuterol, metaproterenol
this class is the exception to fight or flight
alpha 2
alpha 2 adrenergic blockers ..
do not exist
metoprolol, atenolol
beta 1 blockers