NCLEX Trainer Test 2 Related

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A 4 month-old child taking digoxin (Lanoxin) has a blood pressure of 92/78; resting pulse of 78 BPM; respirations 28 and a potassium level of 4.8 mEq/L. The client is irritable and has vomited twice since the morning dose of digoxin. Which finding is most indicative of digoxin toxicity?

  • A. Bradycardia
  • B. Lethargy
  • C. Irritability
  • D. Vomiting
Correct Answer: A

Rationale: Bradycardia. The most common sign of digoxin toxicity in children is bradycardia (heart rate below 100 BPM in an infant).