Difficulty: Medium
Average Score: 68%
Simulated
A nurse is planning to administer digoxin to a client who has heart failure. Which of the following laboratory results is the priority for the nurse to review prior to administering the medication?
Correct answer
D
Rationale
Hypokalemia increases digoxin toxicity risk by enhancing digoxin's binding to cardiac cells, potentially causing arrhythmias. Hemoglobin, creatinine, and BUN are less directly related to digoxin safety.