hypervolaemic hyponatraemia
Last reviewed 07/2022
- clinically detectable increased ECF volume plus hyponatraemia - generally reflects hypervolaemia from some degree of body Na+ excess
- hyponatraemia
with ECF volume excess can arise in a variety of diseases
- causes of hypervolaemic
hyponatraemia include:
- CHF
- liver cirrhosis
- nephrotic syndrome
- renal failure
- excessive water intake
- causes of hypervolaemic
hyponatraemia include:
- volume
excess is generally diagnosed clinically from the history, physical examination
and laboratory results
- patients with clinical signs of volume overload
(subcutaneous oedema, ascites, pulmonary oedema)
- should be considered to have hypervolaemia unless there are alternative explanations for these findings
- patients with clinical signs of volume overload
(subcutaneous oedema, ascites, pulmonary oedema)
Reference:
- (1) hyponatraemia Treatment Guidelines 2007: Expert Panel Recommendations The American Journal of Medicine 2007; 120 (11);S1:S1-S21.