The nurse performs a medication history and learns that the patient takes a thiazide diuretic and digoxin (Lanoxin). The nurse will question the patient to ensure that the patient is also taking which medication?
a. Cortisone
b. Lidocaine
c. Nitroglycerin
d. Potassium
ANS: D
If a patient is taking digoxin and a potassium-wasting diuretic such as thiazide, the patient should also take a potassium supplement to prevent hypokalemia that could result in digoxin toxicity. It is not necessary to take cortisone, lidocaine, or nitroglycerin unless the patient has symptoms that warrant these drugs.
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