A patient has a dose of labetolol (Normodyne) ordered twice a day and is due to have an exercise stress test this morning. What is the nurse's best action at this time?
a. Give the dose as ordered.
b. Hold the dose and notify the prescriber.
c. Give half the dose now and half after the procedure.
d. Ask the patient about chest pain, dizziness, and light-headedness.
B
Labetolol is a beta blocker which decreases heart rate, force of heart contraction, and blood pressure. Its actions can affect the results of the test, causing inaccurate results.
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