For a patient taking amiloride (Midamor) and lisinopril (Zestril), which laboratory value should the nurse monitor closely?

For a patient taking amiloride (Midamor) and lisinopril (Zestril), which laboratory value should the nurse monitor closely?

• A. Magnesium level
• B. Potassium level
• C. Calcium level
• D. Sodium level

Answer: (B)

Monitoring the potassium level is essential for a patient taking both amiloride and lisinopril. Amiloride is a potassium-sparing diuretic, which means it helps the body retain potassium while promoting the excretion of sodium and water. On the other hand, lisinopril is an ACE inhibitor that can also increase potassium levels by reducing the production of aldosterone, a hormone that promotes sodium retention and potassium excretion. The combination of these medications can lead to hyperkalemia, a condition characterized by elevated potassium levels in the blood, which can have serious cardiac implications, including arrhythmias. Therefore, it is vital to closely monitor a patient's potassium levels to ensure they remain within the normal range, preventing any potential complications associated with both drugs. Other electrolyte levels, such as magnesium, calcium, and sodium, are important to monitor but are not as critical in this specific context as potassium.

Monitoring the potassium level is essential for a patient taking both amiloride and lisinopril. Amiloride is a potassium-sparing diuretic, which means it helps the body retain potassium while promoting the excretion of sodium and water. On the other hand, lisinopril is an ACE inhibitor that can also increase potassium levels by reducing the production of aldosterone, a hormone that promotes sodium retention and potassium excretion.

The combination of these medications can lead to hyperkalemia, a condition characterized by elevated potassium levels in the blood, which can have serious cardiac implications, including arrhythmias. Therefore, it is vital to closely monitor a patient's potassium levels to ensure they remain within the normal range, preventing any potential complications associated with both drugs. Other electrolyte levels, such as magnesium, calcium, and sodium, are important to monitor but are not as critical in this specific context as potassium.