Which is the rationale the nurse provides to the parents of an infant diagnosed with congestive heart failure (CHF) for the prescribed spironolactone?
1. Produces rapid diuresis
2. Blocks reabsorption of sodium and water in renal tubules
3. Spares potassium
4. Promotes vascular relaxation
3
Explanation:
1. Furosemide (Lasix) produces rapid diuresis and blocks reabsorption of sodium and water in renal tubules.
2. Furosemide (Lasix) produces rapid diuresis and blocks reabsorption of sodium and water in renal tubules.
3. Spironolactone (Aldactone) is a maintenance diuretic that is potassium-sparing. Hypokalemia would increase the risk of Lanoxin toxicity.
4. Angiotensin-converting enzyme (ACE) inhibitors promote vascular relaxation.
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