Prior to giving digoxin, the practical nurse (PN) assesses that a 2-month-old infant's heart rate is 120 beats/minute. Based on this finding, which action should the PN take?. A. Hold the medication and recheck the heart rate in 1 hour. B. Administer the medication and document the heart rate. C. Administer the medication and alert the charge nurse. D. Hold the medication and document cardiac assessment.