A Patient Is Taking Digoxin [Lanoxin] and Quinidine to Treat

A patient is taking digoxin [Lanoxin] and quinidine to treat sustained ventricular tachycardia. Before giving medications, the nurse reviews the patient's electrocardiogram (ECG) and notes a QRS complex that has widened by 50% from the baseline ECG. What will the nurse do?

A) Administer the medications as ordered, because this indicates improvement.
B) Contact the provider to discuss reducing the digoxin dose.
C) Contact the provider to request an increase in the quinidine dose.
D) Withhold the quinidine and contact the provider to report the ECG finding.

Correct Answer:

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