Direct-Acting Vasodilators Flashcards
1
Q
What do they treat?
A
HTN
2
Q
How do they accomplish this?
A
By acting directly on the peripheral vasculature, will act on preload or afterload
3
Q
What are some common drugs?
A
Hydralazine, Nitroprusside
4
Q
What will it cause on the heart?
A
Dilation of arteriole (↓ peripheral resistance, ↓ BP, ↑ HR, ↑ contractility of heart)
5
Q
Common S/E?
A
Tachycardia, H/A, Palpitations
6
Q
Usual dose/route?
A
IV, IM, or PO
7
Q
What to watch out for?
A
Severe tachycardia, SLE-like syndrome (facial rash), crackles in lung, rebound hypertension
