The nurse prepares to administer digoxin to a newborn with a diagnosis of heart failure. The nurse notes that the apical rate is 140 beats per minute. Which nursing action is appropriate?
a) Administer the digoxin as scheduled
b) Withhold the digoxin and notify the healthcare provider
c) Document the finding and reassess in 1 hour
d) Increase the digoxin dose to address the high heart rate