A 64-year-old with a history of stable angina develops substernal chest pressure during a crown preparation. Blood pressure is 150/90 mm Hg. What is the most appropriate drug to administer first?
- Correct answer
Nitroglycerin sublingually
-
Epinephrine intramuscularly
-
Salbutamol by inhaler
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Glucagon intramuscularly
This question is one of 15 in AFK practice: Pharmacology, local anesthesia and emergencies. Test yourself on all of them.
Practice quiz FlashcardsExplanations
Nitroglycerin dilates the venous system and coronary vessels, reducing myocardial oxygen demand and relieving anginal pain. Epinephrine would increase heart rate and myocardial oxygen demand and could worsen ischemia.
Source: Malamed, Medical Emergencies in the Dental Office — oneguy
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