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.
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 indica-tion the heart rhythm is abnormal.
SL nitroglycerin is available in 0.3 to 0.6 mg doses, not 1 mg.
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