Diuretic Medication Nursing Guide

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Questions and Answers

A patient taking thiazide diuretics is prescribed a medication that inhibits calcium reabsorption in the kidneys. What potential electrolyte imbalance should the nurse monitor for, considering the combined effects?

  • Hypokalemia (correct)
  • Hypercalcemia
  • Hyponatremia
  • Hypermagnesemia

An elderly patient with a history of gout is started on a thiazide diuretic for hypertension. What specific dietary advice should the nurse provide, considering the patient's medical history and medication?

  • Limit potassium-rich foods and monitor for signs of hypokalemia.
  • Increase intake of purine-rich foods to counteract the effects on uric acid.
  • Encourage foods high in potassium while closely monitoring uric acid levels. (correct)
  • Maintain a consistent potassium intake while monitoring for signs of hyperkalemia.

A patient on loop diuretics is also receiving an aminoglycoside antibiotic. Recognizing the ototoxic potential of both medications, what is the most important nursing intervention?

  • Increase the patient's fluid intake to reduce the risk of ototoxicity.
  • Administer both medications at different times of the day to minimize interaction.
  • Administer loop diuretics in the evening to reduce nocturia and potential hearing damage.
  • Monitor the patient for changes in hearing and balance, and report any concerns. (correct)

A patient is prescribed spironolactone for heart failure. What assessment finding would be most concerning and warrant immediate communication with the healthcare provider?

<p>Serum potassium level of 5.8 mEq/L (B)</p> Signup and view all the answers

A patient with glaucoma is prescribed a carbonic anhydrase inhibitor. What specific instruction should the nurse provide to ensure the patient understands the potential impact on their respiratory status, especially if they have COPD?

<p>Report any changes in respiratory status, as the medication can worsen acidosis. (A)</p> Signup and view all the answers

A patient receiving mannitol intravenously for cerebral edema develops signs of heart failure. What is the most likely reason for this adverse reaction?

<p>Mannitol can cause fluid overload, exacerbating heart failure, especially in those with cardiac history. (B)</p> Signup and view all the answers

Which intervention is most important for a nurse to implement when administering intravenous mannitol to a patient with increased intracranial pressure (ICP)?

<p>Ensure the medication is filtered during administration to prevent crystal infusion. (D)</p> Signup and view all the answers

A patient on thiazide diuretics reports muscle cramps and weakness. Which laboratory value should the nurse prioritize reviewing to determine the cause of these symptoms?

<p>Serum potassium (A)</p> Signup and view all the answers

A patient with a known allergy to sulfonamides is prescribed a diuretic. Which diuretic class should the nurse be most cautious about administering?

<p>Thiazide Diuretics (B)</p> Signup and view all the answers

A patient taking spironolactone develops gynecomastia. Which of the following mechanisms best explains this side effect?

<p>Spironolactone blocks androgen receptors, leading to an increase in estrogen effects. (B)</p> Signup and view all the answers

A patient with heart failure is prescribed both a loop diuretic and an ACE inhibitor. What electrolyte imbalance is the patient most at risk for developing?

<p>Hyperkalemia (D)</p> Signup and view all the answers

An older adult patient is started on a potassium-sparing diuretic. Which assessment finding would warrant immediate discontinuation of the medication?

<p>Serum creatinine elevated above baseline (C)</p> Signup and view all the answers

A patient on diuretic therapy is being monitored for dehydration. Which of the following is the most reliable indicator of fluid volume status?

<p>Daily Weights (B)</p> Signup and view all the answers

A patient with cirrhosis and ascites is prescribed spironolactone. What is the primary rationale for using this specific diuretic in this patient population?

<p>To counteract the effects of increased aldosterone levels in cirrhosis (B)</p> Signup and view all the answers

A patient is taking both a loop diuretic and digoxin. The nurse knows that hypokalemia can potentiate digoxin toxicity. What assessment finding would suggest digoxin toxicity in this patient?

<p>Visual Disturbances such as Yellow Halos (B)</p> Signup and view all the answers

A patient on long-term diuretic therapy is at risk for metabolic alkalosis. Which diuretic is most likely to cause this imbalance?

<p>Furosemide (A)</p> Signup and view all the answers

A patient with a history of heart failure is prescribed mannitol for increased intracranial pressure. What assessment is crucial to monitor for a potential adverse effect?

<p>Monitoring for Signs of Fluid Overload and Pulmonary Edema (D)</p> Signup and view all the answers

The nurse is caring for a patient receiving acetazolamide. What acid-base imbalance is the patient most at risk for developing?

<p>Metabolic Acidosis (A)</p> Signup and view all the answers

A patient is started on a thiazide diuretic. What specific instruction should the nurse provide regarding the timing of medication administration?

<p>Take the medication in the morning to avoid nocturia (B)</p> Signup and view all the answers

A patient on a potassium-sparing diuretic is prescribed an ACE inhibitor. What is the most important nursing intervention to prevent adverse effects?

<p>Monitor potassium levels closely (A)</p> Signup and view all the answers

Flashcards

Thiazide Diuretics Monitoring

Monitor electrolytes (especially potassium), blood pressure (risk of hypotension), and blood glucose levels.

Loop Diuretics Monitoring

Monitor potassium, magnesium and calcium levels, fluid balance, blood pressure and renal function.

Potassium-Sparing Diuretics Monitoring

Monitor potassium levels and renal function, especially in older adults.

Carbonic Anhydrase Inhibitors Monitoring

Monitor bicarbonate, pH levels, potassium levels, eye pressure (if used for glaucoma) and mental status.

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Osmotic Diuretics Monitoring

Monitor neurological status (ICP and LOC), fluid balance, electrolytes, renal function, and signs of heart failure.

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What is a diuretic?

Medication that increases urine production to remove excess water and sodium from the body.

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What is hypokalemia?

Risk of low potassium levels in the blood.

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What is fluid overload?

A condition where the body retains too much fluid.

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What is BUN?

A laboratory test assessing kidney function.

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What is ototoxicity?

Damage to the ear, often due to medications.

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What is hyperkalemia?

Elevated potassium level

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What are thiazide diuretics?

A class of drugs that block the reabsorption of sodium and chloride in the early distal tubule of the kidney.

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What are Loop diuretics?

A class of diuretics that block sodium and chloride reabsorption in the loop of Henle in the kidney.

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What is hypotension?

Decreased blood pressure.

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What is ICP?

Increased pressure within the skull.

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Study Notes

  • Guide on nursing monitoring for diuretic medications

Thiazide Diuretics

  • Monitor electrolytes, especially potassium (risk of hypokalemia), sodium, and calcium (can increase).
  • Monitor blood pressure for hypotension.
  • Monitor blood glucose, as it can increase in diabetic patients.
  • Monitor uric acid levels due to the risk of gout.
  • Watch for signs of dehydration like dry mouth, and low urine output.
  • Encourage consumption of foods high in potassium unless contraindicated.

Loop Diuretics

  • Monitor electrolytes like potassium, magnesium, and calcium because all may decrease.
  • Track fluid balance, daily weights, input/output, and dehydration signs.
  • Monitor blood pressure for risk of hypotension.
  • Assess renal function, including BUN and creatinine levels.
  • Hearing should be monitored, especially with high doses, due to ototoxicity.
  • Administer loop diuretics in the morning to prevent nocturia, and give them slowly intravenously to avoid hearing damage.

Potassium-Sparing Diuretics

  • Monitor potassium levels due to risk of hyperkalemia.
  • Assess renal function, particularly in older adults or with nephrotoxic drugs.
  • Monitor blood pressure.
  • Be aware of hormonal side effects with spironolactone, such as gynecomastia and menstrual irregularities.
  • Avoid potassium supplements or salt substitutes unless directed by a provider.

Carbonic Anhydrase Inhibitors

  • Monitor bicarbonate and pH, as there is a risk of metabolic acidosis.
  • Monitor potassium levels, as hypokalemia may occur.
  • Monitor eye pressure if used for glaucoma.
  • Pay attention to mental status, watching for confusion, and fatigue (due to acidosis).
  • Respiratory status should be monitored in patients with COPD, as acidosis can worsen.

Osmotic Diuretics

  • Monitor neurological status, ICP, and LOC, especially if treating cerebral edema.
  • Maintain strict monitoring of fluid balance, I&O, and be aware of the risk of fluid overload or dehydration.
  • closely monitor electrolytes.
  • Closely assess renal function.
  • Watch for signs of heart failure or pulmonary edema, especially in those with a cardiac history.
  • Mannitol needs to be filtered when given IV because it can crystallize.

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