Fluid balance restoration

Fluid balance restoration refers to a set of homeostatic mechanisms that collectively act to maintain the proper distribution and amount of fluids and electrolytes (like sodium and potassium) across the body's compartments. Key players in this process include osmoreceptors and baroreceptors (which sense changes in fluid status and solute concentrations), hormones such as antidiuretic hormone (ADH/vasopressin), aldosterone, and the components of the renin-angiotensin-aldosterone system. These systems regulate water intake (via thirst), renal water and sodium reabsorption, and water excretion to ensure stable plasma volume and osmolality necessary for normal cell and organ function. Fluid balance disturbances are involved in a wide variety of diseases, and their correction is managed through targeting these underlying mechanisms, not a single molecule/receptor.

Other names

fluid balancewater balancebody fluid homeostasishydromineral balance

modulation of antidiuretic hormone action, sodium reabsorption, and renin-angiotensin-aldosterone system