Fast Five Quiz: Can You Quickly Identify and Treat Hyponatremia?

George Griffing, MD

Disclosures

July 16, 2014

For patients with normovolemic (euvolemic), asymptomatic hyponatremia, free water restriction (< 1 L/d) is generally the treatment of choice. When treating patients with overtly symptomatic hyponatremia (eg, seizures, severe neurological deficits), hypertonic (3%) saline should be used. Pharmacologic agents can be used in some cases of more refractory SIADH, allowing more liberal fluid intake. Demeclocycline has been the drug of choice to increase the diluting capacity of the kidneys by achieving vasopressin antagonism and functional diabetes insipidus.

For more on the treatment of hyponatremia, read here.

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