Euvolemic Hyponatremia

Hypotonic hyponatremia with normal ECF volume  (euvolemic hyponatremia)

  • Slight excess of total body water, normal Na
    • Excess of “free water”
  • Causes: inappropriate ADH, carcinomas, pulmonary disorders, CNS disorders (strokes, meningitis, etc), Drugs (antidepressants, antipsychotics, anesthetics, etc)
  • Trxt: fluid restriction (500-1000mL), hypertonic saline, take away the drugs causing it
    • Drugs used for trxt: demeclocycline (delayed onset of action 3-6 days), Li, loop diuretics, NS, urea

Leave a Reply

Fill in your details below or click an icon to log in: Logo

You are commenting using your account. Log Out /  Change )

Google photo

You are commenting using your Google account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s

%d bloggers like this: