Adrenergics Flashcards
1
Q
How is epinephrine used in anaphylactic shock?
A
alpha1- vasoconstriction, beta-2 bronchodilation, beta 2 decrease histamine release from mast cells
2
Q
what are 5 approaches in treating shock?
A
Volume, NE, Isoproterenol
Dopamine, alpha-blockers
3
Q
What are some cautions with alpha-agonists?
A
Localized aischemia may occur at infusion site
avoid extravasation
gradually decrease infusion
4
Q
Cardiac stimulation can be achieved with beta 1 activation. In what diseases would this method be used?
A
CHF
AV BLOCK
CARDIAC ARREST
5
Q
What drugs can achieve beta-1 activation?
A
epinephrine (B1, B2 + a)
Isoproterenol (B1 + B2)
Dobutamine (b1 selective)
6
Q
Glaucoma treated with ?
A
mostly beta blockers but also alpha agonists
