A hospitalized patient complains of acute chest pain, which he rates as a 9 on a scale of 0 to 10. The nurse administered a 0.4 mg sublingual nitroglycerin tablet, and now finds his vital signs to be stable. The nurse's next step is to
a. provide a second dose of nitroglycerin in 5 minutes.
b. continue dosing at 10-minute intervals.
c. obtain a transcutaneous pacer.
d. increase the dose to 1 mg.
ANS: A
An initial dose of sublingual nitroglycerin is given, and if the chest pain persists, such as in this case, the patient should take another dose of NTG in 5 minutes.
Dosing at 10-minutes interval is incorrect, because the time span is too long.
A transcutaneous pacer would be indicated for an abnormal heart rhythm, but there is no indication the heart rhythm is abnormal.
SL nitroglycerin is available in 0.3 to 0.6 mg doses, not 1 mg.
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