Beta antagonists Flashcards
1
Q
What is the mechanism and common ending to all of the Beta antagonists?
A
B1- decrease heart rate and contractility and lower BP
B2- can cause bronchoconstriction in asthma pts.
-all end in -OLOL
2
Q
Which beta antagonist acts at B1 and B2 equally? What population is it contraindicated in?
A
- Propanolol
- asthma patients
3
Q
Which drug treats heart failure in patients with a decreased systolic function? What receptors?
A
- Cavedilolol
- Blocks Alpha1, B1, B2
4
Q
Which of the -olol’s is a partial B1, B2?
A
-Pindolol
(P for partial and pindolol)
5
Q
Acebutolol is a partial B1 agonist used to treat what?
A
Hypertension
6
Q
What is the safest option of B1 blockers in an unstable patient?
A
-Esmolol (short half life)
