Pharm Adjunct: Nitro-vasodilator - Nitroglycerin Flashcards

1
Q

Where does nitroglycerin work?

A
  • Coronary arteries
  • Venous capacitance vessels

by far more venous vasodilator

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1
Q

Would nitroglycerin increase or decrease preload?

A

↓ preload

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2
Q

Does nitroprusside or nitroglycerin exhibit tachyphylaxis?

How do you treat it?

A

Nitroglycerin

have a drug-free interval of 12-15 hrs

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3
Q

What is the nitroglycerin dose?

A

5 - 10 mcg/min

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4
Q

What is the firstline treatment for sphincter of Oddi spasm?
What is second?

A
  1. Glucagon
  2. Nitroglycerin

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5
Q

What are the indications for nitroglycerin?

A
  • Acute MI
  • Controlled Hypotension
  • Sphincter of Oddi spasm
  • Retained placenta
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