A 49-year-old male complains of acute chest discomfort. He is conscious but restless, and he is noticeably diaphoretic. As your partner is applying 100% oxygen, the patient hands you a bottle of nitroglycerin that was prescribed to him by his family physician. Prior to assisting the patient with his medication, you should:
A. ensure that the patient's heart rate is no greater than 100.
B. ask the patient if he is currently experiencing a headache.
C. assess his systolic BP to ensure that it is at least 100 mm Hg.
D. ensure that he has taken up to 3 doses prior to your arrival.
Answer: C. assess his systolic BP to ensure that it is at least 100 mm Hg.
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