Hyponatremia: Symptoms, Causes, Treatment

How is it diagnosed?

The diagnosis of sodium deficiency can be made quickly with a simple blood test and possibly a urine test.

The patient’s history sometimes enables the doctor to suspect one cause rather than another: taking medication, excessive fluid intake, an eating disorder, etc. But generally, medical investigation is thorough. This involves, first of all, blood and urine tests aimed at evaluating the different volumes of liquid contained in the body more precisely: total blood volume and diuresis to determine the quantity of urine emitted per 24 hours.

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