A nurse is preparing to administer digoxin to a client with a history of heart failure. Which of the following findings should prompt the nurse to withhold the medication and notify the healthcare provider?
Serum potassium level of 2.9 mEq/L
Heart rate of 82 bpm
Elevated liver enzyme levels
Hemoglobin level of 11.8 g/dL
The correct answer is based on understanding that hypokalemia increases the risk of digoxin toxicity, which can result in serious complications such as cardiac arrhythmias. When serum potassium is low, the nurse must withhold the medication and notify the healthcare provider for further assessment and management. Elevated liver enzymes and hemoglobin level of 11.8 g/dL, while notable, do not directly contraindicate digoxin administration in this scenario. A heart rate of 82 bpm is within the normal range and does not require withholding the medication.
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