Richard Is 70 Years Old and Has a History of Cardiac

Multiple Choice

Richard is 70 years old and has a history of cardiac dysrhythmias. He has been prescribed nadolol. You do his annual laboratory work and find a CrCl of 25 ml/min. What action should you take related to his nadolol?

A) Extend the dosage interval.
B) Decrease the dose by 75%.
C) Take no action because this value is expected in the older adult.
D) Schedule a serum creatinine level to validate the CrCl value.