Hypovolemic Hyponatremia: Causes, Signs, and Symptoms

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Questions and Answers

What is the primary difference between hypovolemic and hypervolemic hyponatremia?

  • The cause of the sodium loss
  • The ratio of sodium to water loss (correct)
  • The age of the patient
  • The severity of the CNS symptoms

Which of the following is a characteristic of cerebral salt wasting syndrome?

  • Polyuria (correct)
  • Dehydration
  • Orthostatic hypertension
  • Oliguria

What is the first-line treatment for hypovolemic hyponatremia?

  • Vasopressin 2 Receptor antagonists
  • Diuretics
  • Isotonic saline (correct)
  • Hypertonic saline

What is the common underlying cause of euvolemic hyponatremia?

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

What is the effect of SIADH on the kidneys?

<p>Increased sensitivity to ADH (C)</p> Signup and view all the answers

A patient with SIADH has a normal or low urine output. What is the primary treatment for this patient?

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

What is the primary goal when correcting hyponatremia?

<p>To increase the sodium level by 12 mEq/L per 24 hours (B)</p> Signup and view all the answers

Which of the following medications is NOT a common cause of SIADH?

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

What is the primary characteristic of CSW (cerebral salt wasting) syndrome?

<p>Decreased ECF volume (C)</p> Signup and view all the answers

What is the primary reason for using normal saline (0.9% NaCl) for correcting hyponatremia?

<p>It adds to the serum sodium level without further diluting it (A)</p> Signup and view all the answers

What is the desired rate of sodium level correction in a patient with hyponatremia?

<p>12 mEq/L per 24 hours (C)</p> Signup and view all the answers

What is the primary complication of rapidly correcting hyponatremia?

<p>Demyelination and irreversible symptoms (D)</p> Signup and view all the answers

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