The physician orders an I.V. infusion of digoxin for a pediatric patient with heart failure. Which of the following increases the risk of developing digitalis toxicity?

Explanation

•Hypothyroidism, hypomagnesemia, hypokalemia, hypoxemia, and advanced heart disease increases the patient's risk for developing digitalis toxicity.

•Hypocalcemia and hypermagnesemia are not associated with an increased risk.

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