beta agonist Flashcards
1
Q
what is a non selective beta agonist?
A
isoprenaline
2
Q
what is the mechanism of isoprenaline?
A
beta adrenergic receptor agonist
3
Q
what happens when isoprenaline used?
A
increased HR and increase BP thru beta1
dilation of airway thru beta2
metabolism in beta 3
4
Q
what are the selective beta agonist drugs?
A
dobutamine
terbutaline
salbutamol
5
Q
what is the mechanism of dobutamine?
A
beta1 agonist
6
Q
what is dobutamine used for?
A
tx of cardiac shock and severe HF
7
Q
what is the mechanism of terbutaline and salbutamol?
A
beta 2 agonist
8
Q
what are terbutaline and salbutamol used for?
A
tx of ashtma and copd
9
Q
how does beta2 agonist work?
A
relatively selective beta2 adrenergic muscle relaxant
10
Q
A
