Math and Dosage Calculations for Health Care 3rd Edition by James Whaley, Kathryn Booth, Booth Kathryn

تمرين 32

The patient: 79-year-old female, 5? 6? tall, 143 lb, CL CR of 48 mL/min.
Ordered: Cartrol 5 mg PO Q24H
On hand: Cartrol 5 mg/tablet
According to the package insert, the usual dosage interval for 5 mg is as follows: for patients with creatinine clearance above 60 mL/min, 24 hours; for 20 to 60 mL/min, 48 hours; and for less than 20 mL/min, 72 hours.