A patient is being administered digoxin (Lanoxin) for treatment of heart failure. At what level should the serum potassium level be maintained?
A) 1.5 to 2.0 mEq/L
B) 3.5 to 5.0 mEq/L
C) 6.0 to 8.0 mEq/L
D) 8.5 to 10 mEq/L
B
Feedback:
Electrolyte imbalance must be monitored during digoxin therapy, and the potassium level should be maintained at 3.5 to 5.0 mEq/L. A potassium level of 1.5 to 2.0 mEq/L is too low. Potassium levels of 6.0 to 8.0 and 8.5 to 10 mEq/L are too high.
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