Sodium retention in the body

Water and sodium retention are mainly lesions of the glomerular filtration rate, and the internal and external fluid exchange is unbalanced, resulting in imbalance of water and liquid metabolism. Under normal circumstances, the intake and discharge of sodium and water are in a dynamic equilibrium state, so the body's body fluid volume can be kept relatively constant. The kidney plays an important role in regulating the dynamic balance of sodium and water. The reason is that this regulatory function of the kidney is impaired, so that the kidneys reduce sodium and water discharge, which leads to systemic edema.

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