A client recently diagnosed with atrial fibrillation is being discharged home on digoxin (Lanoxin). The nurse is providing education to the client and family. Which client statement indicates the need for further teaching?

“I should take my medicine at the same time each day.” “If I miss a dose, I can take it as soon as I remember it.” “I need to call my doctor if my heart rate goes below 60 or above 110.” “Changes in my vision could be toxicity and should be reported immediately.”