{"id":9114,"date":"2024-10-28T10:33:09","date_gmt":"2024-10-28T08:33:09","guid":{"rendered":"https:\/\/medilab.km.ua\/?p=9114"},"modified":"2026-04-20T18:55:20","modified_gmt":"2026-04-20T15:55:20","slug":"riven-sodium-is-the-most-important-thing-to-control-and-what-it-means-to-breathe","status":"publish","type":"post","link":"https:\/\/medilab.km.ua\/en\/riven-sodium-is-the-most-important-thing-to-control-and-what-it-means-to-breathe\/","title":{"rendered":"Sodium levels: why monitor them and what deviations mean"},"content":{"rendered":"
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\n 4.9\/5 - (2741 votes) <\/div>\n <\/div>\n

What is sodium and its role in the body?<\/strong><\/h2>\n

Sodium is one of the main electrolytes, which plays a key role in maintaining water-salt balance, blood pressure, muscle activity and functioning of the nervous system. The main part of sodium is concentrated in blood plasma and intercellular fluid. Together with potassium, it ensures the conduction of nerve impulses and muscle contraction, in particular the heart.<\/p>\n

The body is unable to produce sodium on its own - we obtain it exclusively from food, mainly in the form of table salt (NaCl).<\/p>\n

Normal blood sodium level<\/strong><\/h2>\n

In a healthy person, the serum sodium level is usually:<\/p>\n

135\u2013145 mmol\/L<\/strong><\/p>\n

Minor fluctuations are possible depending on the laboratory, age, and health status, but deviations from this range may indicate serious abnormalities.<\/p>\n

Causes of low sodium levels (hyponatremia)<\/strong><\/h2>\n

Hyponatremia is a condition in which the sodium level in the blood drops below 135 mmol\/L.<\/p>\n

Main reasons:<\/h3>\n