Adrenoceptor Antagonist Flashcards
a nonselective beta blocker
TIMOLOL
excellent ocular hypotensive effects when administered topically on the eye
TIMOLOL
nonselective beta blocker
LEVOBUNONOL
used to treat glaucoma
LEVOBUNONOL
BETAXOLOL
beta 1 selective antagonist
BETAXOLOL
Pindolol, acebutolol, carteolol, penbutolol
Beta antagonists with ISA
partial agonists at the beta receptor
Beta antagonists with ISA
effective in cardiovascular indications of beta antagonists
Beta antagonists with ISA
less likely to cause bradycardia, abnormalities in lipid profiles and bronchoconstriction in asthamics
Beta antagonists with ISA
alpha and beta blocking capability, more alpha 1 than alpha 2
LABETALOL
causes less rebound tachycardia when used to induce hypotension than phentoamine
LABETALOL
blocks alpha and beta receptors, blocks beta more than alpha receptors
CARVEDILOL
used to treat CHF
CARVEDILOL
how does beta blockers help an ischemia heart?
decreases cardiac workload
how is chronic use of beta blockers beneficial?
beneficial against cardiac remodeling
excessive catecholamine levels are characteristic of __
hyperthryoidism
clinical use of beta blockers
HTN Ischemic heart disease Cardiac arrhythmia Heart Failure Glaucoma Hyperthyroidism Neurologic disease
which beta blocker had an effect on beta blockade on post MI mortality rate?
timolol
what is the most common adverse effect of adrenoceptor antagonists?
bradycardia
what beta blocker can cause a rash, fever, and drug allergy?
propanolol
toxicity of adrenoceptor antagonists can cause _
sedation, sleep disturbances and depression, even psychosis
in patients with abnormal cardiac function, their output may be dependent on ___
sympathetic drive
t/f adrenoceptor antagonists can worsen asthma
true