A nurse is assessing a client prior to administering digoxin. Which of the following findings should the nurse immediately report to the provider?

A. Bradycardia is a known side effect of digoxin but should be interpreted in context with heart rate before administration. B. Blurred vision is a possible sign of digoxin toxicity, but hypokalemia greatly increases the risk for toxicity and requires immediate attention. C. Hypokalemia increases the risk for digoxin toxicity and must be corrected before administration. The nurse should notify the provider immediately. D. Anorexia may be an early sign of toxicity, but hypokalemia poses a more immediate and significant risk.