Beta blockers Flashcards
1
Q
mechanism of beta blockers
A
may block β1, β2, and α1 receptors which interfere with heart, lungs, and arteries respectively: decrease HR, BP, bronchoconstrict, and vasodilate
2
Q
beta blocker meds
A
β1 only:
metaprolol
atenolol
β1, β2:
propranolol
β1, β2, and α1:
carvedilol
labetalol
3
Q
beta blocker common uses
A
HTN
atrial fibrillation
angina pectoris
cardioprotection
4
Q
issues w/beta blockers
A
nonselective beta blockers incite bronchoconstriction
mask hypoglycemia
bradycardia, hypoTN; hold if HR<50
fatigue, depression
