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Hyponatraemia

Prevalence
Causes
Clinical features
Investigations
Therapy
Prognosis
Prognosis

 Most patients in severe cases recover well c , though patients with acute hyponatraemia or rapid correction are more likely to die c 

Note:

  • One in twelve patients with severe hyponatraemia die (8%: 95% CI: 1.3% to 15%) c  
  • Half of patients with acute hyponatraemia (onset < 12 hours) die (50%: 95% CI: 24% to 76%) c

Expiry date: September 2005
Levels of Evidence used in grading these guides

Authors   T   Ringrose , CM   Ball
Reviewer   J V   Bonventre
CAT Writers   T   Ringrose , CM   Ball