Hyponatremia Diagnosis

The doctor should know medical history to diagnose, such as water or sodium intake and discharge in patients, if no vomiting, diarrhea, intestinal disease and drainage, water and salt intake of the additional information; patient has no liver, kidney disease, lung cancer, brain trauma, brain Cancer, brain inflammation, stress or a history of diabetes; the use of diuretics, as well as the use of dolphin sulfochlorophenol C, vincristine, carbamazepine and so on.

Diagnosed by laboratory tests include: Blood test, serum sodium concentration <135mmol / L for hyponatremia. Determination of the best on many occasions to rule out experimental error and follow-up. Should also include the examination of blood serum potassium, chloride, Blood glucose, plasma protein and red blood cell count. Determination of hemoglobin and hematocrit of blood cells, Russia hemodilution and changes in blood volume. There is often accompanied by hyponatremia and low permeability, plasma osmolality <275mmol / L. Determination of urinary sodium help to identify 'A and renal sodium loss outside of the former regular urine sodium> 20mmol / L, the latter often urine sodium <20mmol / L. Urine routine examination help to know whether there is kidney disease, many of the urine and the higher the relative density of urine to check urine sugar and ketones. There is suspected in patients with renal tubular acidosis should be to do the load test Chloride.