A nurse is caring for a client who has heart failure and a prescription for digoxin 750 mcg PO daily. Available is digoxin PO 0.25 mg/tablet. How many tablets should the nurse administer per dose. Write number only.

Step 1 is to convert the prescribed dose from micrograms (mcg) to milligrams (mg) using the conversion factor 1 mg = 1000 mcg. 750 mcg ÷ 1000 mcg/mg = 0.75 mg. Step 2 is to calculate the number of tablets to administer using the available strength. 0.75 mg ÷ 0.25 mg/tablet = 3 tablets. 3.