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A 62-year-old male is seen with crushing chest pain, which he describes as being the same kind of pain that he had with a previous heart attack. He has prescribed nitroglycerin but states that he has not taken any. After administering supplemental oxygen, if needed, and contacting medical control, you should:

  1. administer the nitroglycerin unless he has taken Viagra within the past 72 hours

  2. administer up to three doses of nitroglycerin before assessing his blood pressure

  3. assist him with his nitroglycerin unless his systolic blood pressure is less than 100 mm Hg

  4. begin immediate transport and request a rendezvous with a paramedic unit

The correct answer is: administer the nitroglycerin unless he has taken Viagra within the past 72 hours

Administering nitroglycerin to the patient would be the best course of action in this scenario, as it can help relieve chest pain and improve blood flow to the heart. However, it is important to ensure that the patient has not taken Viagra within the past 72 hours, as combining the two medications can cause a dangerous drop in blood pressure. Option B is incorrect because administering too many doses of nitroglycerin can also lead to a drop in blood pressure. Option C is incorrect because the patient's blood pressure should be at least 100 mm Hg before administering nitroglycerin. Option D is incorrect because immediate transport may not be necessary and it is important to follow proper protocol and consult with medical control before administering medication.