A hospitalized patient complains of acute chest pain. The nurse administers a 0.3 mg sublingual nitroglycerin tablet, but the patient continues to complain of pain. Vital signs remain stable. What is the nurse's next step?
a. Apply a nitroglycerin transdermal patch.
b. Continue dosing at 10-minute intervals.
c. Give a second dose of nitroglycerin in 5 minutes.
d. Request an order for intravenous nitroglycerin.
ANS: C
An initial dose of sublingual nitroglycerin is taken, and if the chest pain persists, as in this case, the patient should take another dose in 5 minutes. Transdermal delivery systems are not useful for terminating an ongoing attack. Dosing at 10-minute intervals is incorrect. If the patient fails to respond or if the pain intensifies, intravenous nitroglycerin may be indicated.
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