Alpha Agonists Flashcards
1
Q
What acts on alpha 1
A
Phenylephrine
2
Q
What acts on alpha 2
A
Clonidine
Methyldopa
Brimonidine
3
Q
What causes peripheral vasoconstriction
A
Phenylephrine
4
Q
DOC pregnant with HTN
A
Methyldopa
5
Q
What is the Tx for supraventricular tachycardia
A
Phenylephrine
6
Q
What is the function of Clonidine
A
Anti-HTN
7
Q
What is the action of Brimonidine
A
Decrease aqueous humor production
8
Q
What happens when Clonidine is given IV
A
Acute BP rise (transient vasoconstriction)
9
Q
Does Phenylephrine have a direct action on the heart
A
No
10
Q
What happens in parenteral administration of Phenylephrine
A
Reflex bradycardia
11
Q
When do you use Phenylephrine
A
Nasal decongestant
To increase SBP/DBP
Causes mydriasis
