Diagram for the Diagnosis of Hyponatraemia

Diagram for the diagnosis of hyponatraemia. The causes of hyponatraemia may be categorized on the basis of urine osmolality and sodium concentration determined from a single urine sample as well as of clinical findings (blood pressure, swellings). The reference ranges presented in the chart are indicative only. Adapted from Fenske W, Maier SK, Blechschmidt A et al. Utility and limitations of the traditional diagnostic approach to hyponatremia: a diagnostic study. Am J Med 2010;123(7):652-7.

Source: Akuuttihoito-opas [Acute care guide] (pictures), Duodecim Medical Publications Ltd

Picture: Duodecim Medical Publications Ltd