A patient newly diagnosed with heart failure is prescribed 40 mg of furosemide (Lasix) to be given IV push. Knowing that the patient is also prescribed digoxin (Lanoxin), the nurse should review which laboratory result?

Question

Quizplus · Accepted Answer

Furosemide is a loop diuretic that can cause potassium depletion, and the patient is also on a digoxin which interacts with potassium levels. Thus, the nurse should review the patient's potassium level to ensure it is within normal limits. A low potassium level can cause digoxin toxicity, which can lead to life-threatening dysrhythmias. Sodium and creatinine levels may also be important to monitor in a patient with heart failure, but they are less directly related to the administration of furosemide and digoxin.

A Patient Newly Diagnosed with Heart Failure Is Prescribed 40