RT Book, Section A1 Holford, Nicholas H. G. A2 Katzung, Bertram G. A2 Vanderah, Todd W. SR Print(0) ID 1176968939 T1 Pharmacokinetics & Pharmacodynamics: Rational Dosing & the Time Course of Drug Action T2 Basic & Clinical Pharmacology, 15e YR 2021 FD 2021 PB McGraw-Hill PP New York, NY SN 9781260452310 LK accessmedicine.mhmedical.com/content.aspx?aid=1176968939 RD 2024/04/24 AB CASE STUDYAn 85-year-old, 60-kg woman with a serum creatinine of 1.8 mg/dL has atrial fibrillation. A decision has been made to use digoxin to control the rapid heart rate. The target concentration of digoxin for the treatment of atrial fibrillation is 1 mg/mL. Tablets of digoxin are available that contain 62.5 micrograms (mcg) and 250 mcg. What maintenance dose would you recommend?