Hyponatremia and Osmotic Demyelination Syndrome Quiz
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Questions and Answers

Which of the following drugs can cause SIADH?

  • Metformin
  • Lithium
  • Carbamazepine (correct)
  • Ibuprofen

What is the recommended daily water restriction for patients with SIADH?

  • Less than 2000 mL
  • Less than 3000 mL
  • Less than 500 mL
  • Less than 1000 mL (correct)

Which medication is NOT recommended for the treatment of Euvolemic Hypotonic Hyponatremia?

  • Vaptans
  • SSRI (correct)
  • Hypertonic saline
  • Loop diuretics

Which condition is characterized by water retention and increased urinary excretion of sodium despite being hyponatremic?

<p>Euvolemic Hypotonic Hyponatremia (D)</p> Signup and view all the answers

What is the consequence of overcorrecting hyponatremia too quickly?

<p>Osmotic demyelination syndrome (C)</p> Signup and view all the answers

What is the main cause of Hypovolemic Hypotonic Hyponatremia when the urine sodium concentration is greater than 30mEq/L?

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

Which of the following medications is NOT associated with causing SIADH?

<p>Escitalopram (C)</p> Signup and view all the answers

What is the recommended treatment for euvolemic hypotonic hyponatremia?

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

Which of the following is a potential side effect of overcorrecting hyponatremia too quickly?

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

Which of the following is a symptom of osmotic demyelination syndrome (ODS) or central pontine myelinolysis?

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

What is the main cause of Hypovolemic Hypotonic Hyponatremia when the urine sodium concentration is less than 30mEq/L?

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

Which condition is characterized by water retention and increased urinary excretion of sodium despite being hyponatremic?

<p>Euvolemic Hypotonic Hyponatremia (A)</p> Signup and view all the answers

Which of the following medications is NOT associated with causing SIADH?

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

What is the recommended daily water restriction for patients with SIADH?

<p>Less than 1000 mL (D)</p> Signup and view all the answers

What do loop diuretics do in the treatment of Euvolemic Hypotonic Hyponatremia?

<p>Increase water excretion more than sodium excretion (B)</p> Signup and view all the answers

Which of the following is a symptom of osmotic demyelination syndrome (ODS) or central pontine myelinolysis?

<p>Muscle weakness (B)</p> Signup and view all the answers

What is the main cause of Hypovolemic Hypotonic Hyponatremia when the urine sodium concentration is greater than 30mEq/L?

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

Which condition is characterized by water retention and increased urinary excretion of sodium despite being hyponatremic?

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

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