Direct-Acting Vasodilators Flashcards

1
Q

What do they treat?

A

HTN

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2
Q

How do they accomplish this?

A

By acting directly on the peripheral vasculature, will act on preload or afterload

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3
Q

What are some common drugs?

A

Hydralazine, Nitroprusside

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4
Q

What will it cause on the heart?

A

Dilation of arteriole (↓ peripheral resistance, ↓ BP, ↑ HR, ↑ contractility of heart)

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5
Q

Common S/E?

A

Tachycardia, H/A, Palpitations

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6
Q

Usual dose/route?

A

IV, IM, or PO

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7
Q

What to watch out for?

A

Severe tachycardia, SLE-like syndrome (facial rash), crackles in lung, rebound hypertension

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