An older patient with a history of liver impairment is prescribed diltiazem (Cardizem) SR 120 mg twice a day for supraventricular tachycardia. What is the nurse's best action before giving the first dose?

a. Hold the drug and contact the prescriber.
b. Administer the drug as ordered.
c. Give 60 mg four times a day.
d. Give an XR capsule of 240 mg.


A
When a calcium channel blocker such as diltiazem is prescribed for an older patient, or a patient with hepatic (liver) or renal (kidney) impairment, lower than normal initial doses are prescribed. The nurse should hold the drug and contact the prescriber about the dosage that has been pre-scribed for this patient.

Nursing

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